981175312

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1297}}^1\times {\mathrm{3637}}^1$

素因数の和:4955

約数の個数: 40

約数和(自身を含む): 2049401816

約数和(自身を除く): 1068226504

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1297, 2594, 3637, 5188, 7274, 10376, 14548, 16861, 20752, 29096, 33722, 47281, 58192, 67444, 94562, 134888, 189124, 269776, 378248, 756496, 4717189, 9434378, 18868756, 37737512, 61323457, 75475024, 122646914, 245293828, 490587656, 981175312]

約数ペア:

[(1, 981175312), (2, 490587656), (4, 245293828), (8, 122646914), (13, 75475024), (16, 61323457), (26, 37737512), (52, 18868756), (104, 9434378), (208, 4717189), (1297, 756496), (2594, 378248), (3637, 269776), (5188, 189124), (7274, 134888), (10376, 94562), (14548, 67444), (16861, 58192), (20752, 47281), (29096, 33722)]