861493648

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{12157}}^1$

素因数の和:12311

約数の個数: 40

約数和(自身を含む): 1724685248

約数和(自身を除く): 863191600

約数列:

[1, 2, 4, 8, 16, 43, 86, 103, 172, 206, 344, 412, 688, 824, 1648, 4429, 8858, 12157, 17716, 24314, 35432, 48628, 70864, 97256, 194512, 522751, 1045502, 1252171, 2091004, 2504342, 4182008, 5008684, 8364016, 10017368, 20034736, 53843353, 107686706, 215373412, 430746824, 861493648]

約数ペア:

[(1, 861493648), (2, 430746824), (4, 215373412), (8, 107686706), (16, 53843353), (43, 20034736), (86, 10017368), (103, 8364016), (172, 5008684), (206, 4182008), (344, 2504342), (412, 2091004), (688, 1252171), (824, 1045502), (1648, 522751), (4429, 194512), (8858, 97256), (12157, 70864), (17716, 48628), (24314, 35432)]