128415616

素因数分解:

$2^7\times 7^1\times {\mathrm{251}}^1\times {\mathrm{571}}^1$

素因数の和:843

約数の個数: 64

約数和(自身を含む): 294053760

約数和(自身を除く): 165638144

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 251, 448, 502, 571, 896, 1004, 1142, 1757, 2008, 2284, 3514, 3997, 4016, 4568, 7028, 7994, 8032, 9136, 14056, 15988, 16064, 18272, 28112, 31976, 32128, 36544, 56224, 63952, 73088, 112448, 127904, 143321, 224896, 255808, 286642, 511616, 573284, 1003247, 1146568, 2006494, 2293136, 4012988, 4586272, 8025976, 9172544, 16051952, 18345088, 32103904, 64207808, 128415616]

約数ペア:

[(1, 128415616), (2, 64207808), (4, 32103904), (7, 18345088), (8, 16051952), (14, 9172544), (16, 8025976), (28, 4586272), (32, 4012988), (56, 2293136), (64, 2006494), (112, 1146568), (128, 1003247), (224, 573284), (251, 511616), (448, 286642), (502, 255808), (571, 224896), (896, 143321), (1004, 127904), (1142, 112448), (1757, 73088), (2008, 63952), (2284, 56224), (3514, 36544), (3997, 32128), (4016, 31976), (4568, 28112), (7028, 18272), (7994, 16064), (8032, 15988), (9136, 14056)]