72157021136

素因数分解:

$2^4\times {\mathrm{35053}}^1\times {\mathrm{128657}}^1$

素因数の和:163718

約数の個数: 20

約数和(自身を含む): 139809303492

約数和(自身を除く): 67652282356

約数列:

[1, 2, 4, 8, 16, 35053, 70106, 128657, 140212, 257314, 280424, 514628, 560848, 1029256, 2058512, 4509813821, 9019627642, 18039255284, 36078510568, 72157021136]

約数ペア:

[(1, 72157021136), (2, 36078510568), (4, 18039255284), (8, 9019627642), (16, 4509813821), (35053, 2058512), (70106, 1029256), (128657, 560848), (140212, 514628), (257314, 280424)]