281691384

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{191}}^1$

素因数の和:405

約数の個数: 128

約数和(自身を含む): 793497600

約数和(自身を除く): 511806216

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 29, 39, 52, 58, 78, 87, 104, 116, 156, 163, 174, 191, 232, 312, 326, 348, 377, 382, 489, 573, 652, 696, 754, 764, 978, 1131, 1146, 1304, 1508, 1528, 1956, 2119, 2262, 2292, 2483, 3016, 3912, 4238, 4524, 4584, 4727, 4966, 5539, 6357, 7449, 8476, 9048, 9454, 9932, 11078, 12714, 14181, 14898, 16617, 16952, 18908, 19864, 22156, 25428, 28362, 29796, 31133, 33234, 37816, 44312, 50856, 56724, 59592, 61451, 62266, 66468, 72007, 93399, 113448, 122902, 124532, 132936, 144014, 184353, 186798, 216021, 245804, 249064, 288028, 368706, 373596, 404729, 432042, 491608, 576056, 737412, 747192, 809458, 864084, 902857, 1214187, 1474824, 1618916, 1728168, 1805714, 2428374, 2708571, 3237832, 3611428, 4856748, 5417142, 7222856, 9713496, 10834284, 11737141, 21668568, 23474282, 35211423, 46948564, 70422846, 93897128, 140845692, 281691384]

約数ペア:

[(1, 281691384), (2, 140845692), (3, 93897128), (4, 70422846), (6, 46948564), (8, 35211423), (12, 23474282), (13, 21668568), (24, 11737141), (26, 10834284), (29, 9713496), (39, 7222856), (52, 5417142), (58, 4856748), (78, 3611428), (87, 3237832), (104, 2708571), (116, 2428374), (156, 1805714), (163, 1728168), (174, 1618916), (191, 1474824), (232, 1214187), (312, 902857), (326, 864084), (348, 809458), (377, 747192), (382, 737412), (489, 576056), (573, 491608), (652, 432042), (696, 404729), (754, 373596), (764, 368706), (978, 288028), (1131, 249064), (1146, 245804), (1304, 216021), (1508, 186798), (1528, 184353), (1956, 144014), (2119, 132936), (2262, 124532), (2292, 122902), (2483, 113448), (3016, 93399), (3912, 72007), (4238, 66468), (4524, 62266), (4584, 61451), (4727, 59592), (4966, 56724), (5539, 50856), (6357, 44312), (7449, 37816), (8476, 33234), (9048, 31133), (9454, 29796), (9932, 28362), (11078, 25428), (12714, 22156), (14181, 19864), (14898, 18908), (16617, 16952)]