128921208

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{1151}}^1$

素因数の和:1532

約数の個数: 64

約数和(自身を含む): 348364800

約数和(自身を除く): 219443592

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 359, 718, 1077, 1151, 1436, 2154, 2302, 2872, 3453, 4308, 4604, 4667, 6906, 8616, 9208, 9334, 13812, 14001, 14963, 18668, 27624, 28002, 29926, 37336, 44889, 56004, 59852, 89778, 112008, 119704, 179556, 359112, 413209, 826418, 1239627, 1652836, 2479254, 3305672, 4958508, 5371717, 9917016, 10743434, 16115151, 21486868, 32230302, 42973736, 64460604, 128921208]

約数ペア:

[(1, 128921208), (2, 64460604), (3, 42973736), (4, 32230302), (6, 21486868), (8, 16115151), (12, 10743434), (13, 9917016), (24, 5371717), (26, 4958508), (39, 3305672), (52, 2479254), (78, 1652836), (104, 1239627), (156, 826418), (312, 413209), (359, 359112), (718, 179556), (1077, 119704), (1151, 112008), (1436, 89778), (2154, 59852), (2302, 56004), (2872, 44889), (3453, 37336), (4308, 29926), (4604, 28002), (4667, 27624), (6906, 18668), (8616, 14963), (9208, 14001), (9334, 13812)]