217818008

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{661}}^1\times {\mathrm{2423}}^1$

素因数の和:3107

約数の個数: 32

約数和(自身を含む): 433265760

約数和(自身を除く): 215447752

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 661, 1322, 2423, 2644, 4846, 5288, 9692, 11237, 19384, 22474, 41191, 44948, 82382, 89896, 164764, 329528, 1601603, 3203206, 6406412, 12812824, 27227251, 54454502, 108909004, 217818008]

約数ペア:

[(1, 217818008), (2, 108909004), (4, 54454502), (8, 27227251), (17, 12812824), (34, 6406412), (68, 3203206), (136, 1601603), (661, 329528), (1322, 164764), (2423, 89896), (2644, 82382), (4846, 44948), (5288, 41191), (9692, 22474), (11237, 19384)]