128815408

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{2237}}^1$

素因数の和:2365

約数の個数: 40

約数和(自身を含む): 258086160

約数和(自身を除く): 129270752

約数列:

[1, 2, 4, 8, 16, 59, 61, 118, 122, 236, 244, 472, 488, 944, 976, 2237, 3599, 4474, 7198, 8948, 14396, 17896, 28792, 35792, 57584, 131983, 136457, 263966, 272914, 527932, 545828, 1055864, 1091656, 2111728, 2183312, 8050963, 16101926, 32203852, 64407704, 128815408]

約数ペア:

[(1, 128815408), (2, 64407704), (4, 32203852), (8, 16101926), (16, 8050963), (59, 2183312), (61, 2111728), (118, 1091656), (122, 1055864), (236, 545828), (244, 527932), (472, 272914), (488, 263966), (944, 136457), (976, 131983), (2237, 57584), (3599, 35792), (4474, 28792), (7198, 17896), (8948, 14396)]