28189808

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1699}}^1$

素因数の和:1785

約数の個数: 40

約数和(自身を含む): 58813200

約数和(自身を除く): 30623392

約数列:

[1, 2, 4, 8, 16, 17, 34, 61, 68, 122, 136, 244, 272, 488, 976, 1037, 1699, 2074, 3398, 4148, 6796, 8296, 13592, 16592, 27184, 28883, 57766, 103639, 115532, 207278, 231064, 414556, 462128, 829112, 1658224, 1761863, 3523726, 7047452, 14094904, 28189808]

約数ペア:

[(1, 28189808), (2, 14094904), (4, 7047452), (8, 3523726), (16, 1761863), (17, 1658224), (34, 829112), (61, 462128), (68, 414556), (122, 231064), (136, 207278), (244, 115532), (272, 103639), (488, 57766), (976, 28883), (1037, 27184), (1699, 16592), (2074, 13592), (3398, 8296), (4148, 6796)]