321781168

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{17657}}^1$

素因数の和:17749

約数の個数: 40

約数和(自身を含む): 670015152

約数和(自身を除く): 348233984

約数列:

[1, 2, 4, 8, 16, 17, 34, 67, 68, 134, 136, 268, 272, 536, 1072, 1139, 2278, 4556, 9112, 17657, 18224, 35314, 70628, 141256, 282512, 300169, 600338, 1183019, 1200676, 2366038, 2401352, 4732076, 4802704, 9464152, 18928304, 20111323, 40222646, 80445292, 160890584, 321781168]

約数ペア:

[(1, 321781168), (2, 160890584), (4, 80445292), (8, 40222646), (16, 20111323), (17, 18928304), (34, 9464152), (67, 4802704), (68, 4732076), (134, 2401352), (136, 2366038), (268, 1200676), (272, 1183019), (536, 600338), (1072, 300169), (1139, 282512), (2278, 141256), (4556, 70628), (9112, 35314), (17657, 18224)]