128117976

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{20611}}^1$

素因数の和:20664

約数の個数: 64

約数和(自身を含む): 375962880

約数和(自身を除く): 247844904

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 37, 42, 56, 74, 84, 111, 148, 168, 222, 259, 296, 444, 518, 777, 888, 1036, 1554, 2072, 3108, 6216, 20611, 41222, 61833, 82444, 123666, 144277, 164888, 247332, 288554, 432831, 494664, 577108, 762607, 865662, 1154216, 1525214, 1731324, 2287821, 3050428, 3462648, 4575642, 5338249, 6100856, 9151284, 10676498, 16014747, 18302568, 21352996, 32029494, 42705992, 64058988, 128117976]

約数ペア:

[(1, 128117976), (2, 64058988), (3, 42705992), (4, 32029494), (6, 21352996), (7, 18302568), (8, 16014747), (12, 10676498), (14, 9151284), (21, 6100856), (24, 5338249), (28, 4575642), (37, 3462648), (42, 3050428), (56, 2287821), (74, 1731324), (84, 1525214), (111, 1154216), (148, 865662), (168, 762607), (222, 577108), (259, 494664), (296, 432831), (444, 288554), (518, 247332), (777, 164888), (888, 144277), (1036, 123666), (1554, 82444), (2072, 61833), (3108, 41222), (6216, 20611)]