256401677412

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{1279}}^1\times {\mathrm{179633}}^1$

素因数の和:180953

約数の個数: 72

約数和(自身を含む): 669560586240

約数和(自身を除く): 413158908828

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 279, 372, 558, 1116, 1279, 2558, 3837, 5116, 7674, 11511, 15348, 23022, 39649, 46044, 79298, 118947, 158596, 179633, 237894, 356841, 359266, 475788, 538899, 713682, 718532, 1077798, 1427364, 1616697, 2155596, 3233394, 5568623, 6466788, 11137246, 16705869, 22274492, 33411738, 50117607, 66823476, 100235214, 200470428, 229750607, 459501214, 689251821, 919002428, 1378503642, 2067755463, 2757007284, 4135510926, 7122268817, 8271021852, 14244537634, 21366806451, 28489075268, 42733612902, 64100419353, 85467225804, 128200838706, 256401677412]

約数ペア:

[(1, 256401677412), (2, 128200838706), (3, 85467225804), (4, 64100419353), (6, 42733612902), (9, 28489075268), (12, 21366806451), (18, 14244537634), (31, 8271021852), (36, 7122268817), (62, 4135510926), (93, 2757007284), (124, 2067755463), (186, 1378503642), (279, 919002428), (372, 689251821), (558, 459501214), (1116, 229750607), (1279, 200470428), (2558, 100235214), (3837, 66823476), (5116, 50117607), (7674, 33411738), (11511, 22274492), (15348, 16705869), (23022, 11137246), (39649, 6466788), (46044, 5568623), (79298, 3233394), (118947, 2155596), (158596, 1616697), (179633, 1427364), (237894, 1077798), (356841, 718532), (359266, 713682), (475788, 538899)]