28481648

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{919}}^1$

素因数の和:1089

約数の個数: 40

約数和(自身を含む): 59892000

約数和(自身を除く): 31410352

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 149, 208, 298, 596, 919, 1192, 1838, 1937, 2384, 3676, 3874, 7352, 7748, 11947, 14704, 15496, 23894, 30992, 47788, 95576, 136931, 191152, 273862, 547724, 1095448, 1780103, 2190896, 3560206, 7120412, 14240824, 28481648]

約数ペア:

[(1, 28481648), (2, 14240824), (4, 7120412), (8, 3560206), (13, 2190896), (16, 1780103), (26, 1095448), (52, 547724), (104, 273862), (149, 191152), (208, 136931), (298, 95576), (596, 47788), (919, 30992), (1192, 23894), (1838, 15496), (1937, 14704), (2384, 11947), (3676, 7748), (3874, 7352)]