645662208

素因数分解:

$2^9\times 3^1\times {\mathrm{420353}}^1$

素因数の和:420374

約数の個数: 40

約数和(自身を含む): 1720088568

約数和(自身を除く): 1074426360

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 512, 768, 1536, 420353, 840706, 1261059, 1681412, 2522118, 3362824, 5044236, 6725648, 10088472, 13451296, 20176944, 26902592, 40353888, 53805184, 80707776, 107610368, 161415552, 215220736, 322831104, 645662208]

約数ペア:

[(1, 645662208), (2, 322831104), (3, 215220736), (4, 161415552), (6, 107610368), (8, 80707776), (12, 53805184), (16, 40353888), (24, 26902592), (32, 20176944), (48, 13451296), (64, 10088472), (96, 6725648), (128, 5044236), (192, 3362824), (256, 2522118), (384, 1681412), (512, 1261059), (768, 840706), (1536, 420353)]