81862956

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1$

素因数の和:328

約数の個数: 144

約数和(自身を含む): 254270016

約数和(自身を除く): 172407060

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 34, 36, 42, 51, 63, 68, 84, 97, 102, 119, 126, 153, 194, 197, 204, 238, 252, 291, 306, 357, 388, 394, 476, 582, 591, 612, 679, 714, 788, 873, 1071, 1164, 1182, 1358, 1379, 1428, 1649, 1746, 1773, 2037, 2142, 2364, 2716, 2758, 3298, 3349, 3492, 3546, 4074, 4137, 4284, 4947, 5516, 6111, 6596, 6698, 7092, 8148, 8274, 9894, 10047, 11543, 12222, 12411, 13396, 14841, 16548, 19109, 19788, 20094, 23086, 23443, 24444, 24822, 29682, 30141, 34629, 38218, 40188, 46172, 46886, 49644, 57327, 59364, 60282, 69258, 70329, 76436, 93772, 103887, 114654, 120564, 133763, 138516, 140658, 171981, 207774, 210987, 229308, 267526, 281316, 324853, 343962, 401289, 415548, 421974, 535052, 649706, 687924, 802578, 843948, 974559, 1203867, 1299412, 1605156, 1949118, 2273971, 2407734, 2923677, 3898236, 4547942, 4815468, 5847354, 6821913, 9095884, 11694708, 13643826, 20465739, 27287652, 40931478, 81862956]

約数ペア:

[(1, 81862956), (2, 40931478), (3, 27287652), (4, 20465739), (6, 13643826), (7, 11694708), (9, 9095884), (12, 6821913), (14, 5847354), (17, 4815468), (18, 4547942), (21, 3898236), (28, 2923677), (34, 2407734), (36, 2273971), (42, 1949118), (51, 1605156), (63, 1299412), (68, 1203867), (84, 974559), (97, 843948), (102, 802578), (119, 687924), (126, 649706), (153, 535052), (194, 421974), (197, 415548), (204, 401289), (238, 343962), (252, 324853), (291, 281316), (306, 267526), (357, 229308), (388, 210987), (394, 207774), (476, 171981), (582, 140658), (591, 138516), (612, 133763), (679, 120564), (714, 114654), (788, 103887), (873, 93772), (1071, 76436), (1164, 70329), (1182, 69258), (1358, 60282), (1379, 59364), (1428, 57327), (1649, 49644), (1746, 46886), (1773, 46172), (2037, 40188), (2142, 38218), (2364, 34629), (2716, 30141), (2758, 29682), (3298, 24822), (3349, 24444), (3492, 23443), (3546, 23086), (4074, 20094), (4137, 19788), (4284, 19109), (4947, 16548), (5516, 14841), (6111, 13396), (6596, 12411), (6698, 12222), (7092, 11543), (8148, 10047), (8274, 9894)]