123279104

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2179}}^1$

素因数の和:2225

約数の個数: 72

約数和(自身を含む): 280722960

約数和(自身を除く): 157443856

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 64, 68, 104, 128, 136, 208, 221, 256, 272, 416, 442, 544, 832, 884, 1088, 1664, 1768, 2176, 2179, 3328, 3536, 4352, 4358, 7072, 8716, 14144, 17432, 28288, 28327, 34864, 37043, 56576, 56654, 69728, 74086, 113308, 139456, 148172, 226616, 278912, 296344, 453232, 481559, 557824, 592688, 906464, 963118, 1185376, 1812928, 1926236, 2370752, 3625856, 3852472, 4741504, 7251712, 7704944, 9483008, 15409888, 30819776, 61639552, 123279104]

約数ペア:

[(1, 123279104), (2, 61639552), (4, 30819776), (8, 15409888), (13, 9483008), (16, 7704944), (17, 7251712), (26, 4741504), (32, 3852472), (34, 3625856), (52, 2370752), (64, 1926236), (68, 1812928), (104, 1185376), (128, 963118), (136, 906464), (208, 592688), (221, 557824), (256, 481559), (272, 453232), (416, 296344), (442, 278912), (544, 226616), (832, 148172), (884, 139456), (1088, 113308), (1664, 74086), (1768, 69728), (2176, 56654), (2179, 56576), (3328, 37043), (3536, 34864), (4352, 28327), (4358, 28288), (7072, 17432), (8716, 14144)]