28486928

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{1129}}^1$

素因数の和:1239

約数の個数: 40

約数和(自身を含む): 58850400

約数和(自身を除く): 30363472

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 83, 152, 166, 304, 332, 664, 1129, 1328, 1577, 2258, 3154, 4516, 6308, 9032, 12616, 18064, 21451, 25232, 42902, 85804, 93707, 171608, 187414, 343216, 374828, 749656, 1499312, 1780433, 3560866, 7121732, 14243464, 28486928]

約数ペア:

[(1, 28486928), (2, 14243464), (4, 7121732), (8, 3560866), (16, 1780433), (19, 1499312), (38, 749656), (76, 374828), (83, 343216), (152, 187414), (166, 171608), (304, 93707), (332, 85804), (664, 42902), (1129, 25232), (1328, 21451), (1577, 18064), (2258, 12616), (3154, 9032), (4516, 6308)]