257907216

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{569}}^1$

素因数の和:677

約数の個数: 160

約数和(自身を含む): 814233600

約数和(自身を除く): 556326384

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 38, 42, 48, 56, 57, 71, 76, 84, 112, 114, 133, 142, 152, 168, 213, 228, 266, 284, 304, 336, 399, 426, 456, 497, 532, 568, 569, 798, 852, 912, 994, 1064, 1136, 1138, 1349, 1491, 1596, 1704, 1707, 1988, 2128, 2276, 2698, 2982, 3192, 3408, 3414, 3976, 3983, 4047, 4552, 5396, 5964, 6384, 6828, 7952, 7966, 8094, 9104, 9443, 10792, 10811, 11928, 11949, 13656, 15932, 16188, 18886, 21584, 21622, 23856, 23898, 27312, 28329, 31864, 32376, 32433, 37772, 40399, 43244, 47796, 56658, 63728, 64752, 64866, 75544, 75677, 80798, 86488, 95592, 113316, 121197, 129732, 151088, 151354, 161596, 172976, 191184, 226632, 227031, 242394, 259464, 282793, 302708, 323192, 453264, 454062, 484788, 518928, 565586, 605416, 646384, 767581, 848379, 908124, 969576, 1131172, 1210832, 1535162, 1696758, 1816248, 1939152, 2262344, 2302743, 3070324, 3393516, 3632496, 4524688, 4605486, 5373067, 6140648, 6787032, 9210972, 10746134, 12281296, 13574064, 16119201, 18421944, 21492268, 32238402, 36843888, 42984536, 64476804, 85969072, 128953608, 257907216]

約数ペア:

[(1, 257907216), (2, 128953608), (3, 85969072), (4, 64476804), (6, 42984536), (7, 36843888), (8, 32238402), (12, 21492268), (14, 18421944), (16, 16119201), (19, 13574064), (21, 12281296), (24, 10746134), (28, 9210972), (38, 6787032), (42, 6140648), (48, 5373067), (56, 4605486), (57, 4524688), (71, 3632496), (76, 3393516), (84, 3070324), (112, 2302743), (114, 2262344), (133, 1939152), (142, 1816248), (152, 1696758), (168, 1535162), (213, 1210832), (228, 1131172), (266, 969576), (284, 908124), (304, 848379), (336, 767581), (399, 646384), (426, 605416), (456, 565586), (497, 518928), (532, 484788), (568, 454062), (569, 453264), (798, 323192), (852, 302708), (912, 282793), (994, 259464), (1064, 242394), (1136, 227031), (1138, 226632), (1349, 191184), (1491, 172976), (1596, 161596), (1704, 151354), (1707, 151088), (1988, 129732), (2128, 121197), (2276, 113316), (2698, 95592), (2982, 86488), (3192, 80798), (3408, 75677), (3414, 75544), (3976, 64866), (3983, 64752), (4047, 63728), (4552, 56658), (5396, 47796), (5964, 43244), (6384, 40399), (6828, 37772), (7952, 32433), (7966, 32376), (8094, 31864), (9104, 28329), (9443, 27312), (10792, 23898), (10811, 23856), (11928, 21622), (11949, 21584), (13656, 18886), (15932, 16188)]