28405664

素因数分解:

$2^5\times 7^1\times {\mathrm{211}}^1\times {\mathrm{601}}^1$

素因数の和:829

約数の個数: 48

約数和(自身を含む): 64322496

約数和(自身を除く): 35916832

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 211, 224, 422, 601, 844, 1202, 1477, 1688, 2404, 2954, 3376, 4207, 4808, 5908, 6752, 8414, 9616, 11816, 16828, 19232, 23632, 33656, 47264, 67312, 126811, 134624, 253622, 507244, 887677, 1014488, 1775354, 2028976, 3550708, 4057952, 7101416, 14202832, 28405664]

約数ペア:

[(1, 28405664), (2, 14202832), (4, 7101416), (7, 4057952), (8, 3550708), (14, 2028976), (16, 1775354), (28, 1014488), (32, 887677), (56, 507244), (112, 253622), (211, 134624), (224, 126811), (422, 67312), (601, 47264), (844, 33656), (1202, 23632), (1477, 19232), (1688, 16828), (2404, 11816), (2954, 9616), (3376, 8414), (4207, 6752), (4808, 5908)]