218435984

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{6689}}^1$

素因数の和:6867

約数の個数: 40

約数和(自身を含む): 458746680

約数和(自身を除く): 240310696

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 157, 208, 314, 628, 1256, 2041, 2512, 4082, 6689, 8164, 13378, 16328, 26756, 32656, 53512, 86957, 107024, 173914, 347828, 695656, 1050173, 1391312, 2100346, 4200692, 8401384, 13652249, 16802768, 27304498, 54608996, 109217992, 218435984]

約数ペア:

[(1, 218435984), (2, 109217992), (4, 54608996), (8, 27304498), (13, 16802768), (16, 13652249), (26, 8401384), (52, 4200692), (104, 2100346), (157, 1391312), (208, 1050173), (314, 695656), (628, 347828), (1256, 173914), (2041, 107024), (2512, 86957), (4082, 53512), (6689, 32656), (8164, 26756), (13378, 16328)]