12980864

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{269}}^1$

素因数の和:325

約数の個数: 64

約数和(自身を含む): 28917000

約数和(自身を除く): 15936136

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 32, 52, 58, 64, 104, 116, 128, 208, 232, 269, 377, 416, 464, 538, 754, 832, 928, 1076, 1508, 1664, 1856, 2152, 3016, 3497, 3712, 4304, 6032, 6994, 7801, 8608, 12064, 13988, 15602, 17216, 24128, 27976, 31204, 34432, 48256, 55952, 62408, 101413, 111904, 124816, 202826, 223808, 249632, 405652, 447616, 499264, 811304, 998528, 1622608, 3245216, 6490432, 12980864]

約数ペア:

[(1, 12980864), (2, 6490432), (4, 3245216), (8, 1622608), (13, 998528), (16, 811304), (26, 499264), (29, 447616), (32, 405652), (52, 249632), (58, 223808), (64, 202826), (104, 124816), (116, 111904), (128, 101413), (208, 62408), (232, 55952), (269, 48256), (377, 34432), (416, 31204), (464, 27976), (538, 24128), (754, 17216), (832, 15602), (928, 13988), (1076, 12064), (1508, 8608), (1664, 7801), (1856, 6994), (2152, 6032), (3016, 4304), (3497, 3712)]