664754870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{18869}}^1$

素因数の和:19160

約数の個数: 32

約数和(自身を含む): 1293425280

約数和(自身を除く): 628670410

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 271, 542, 1355, 2710, 3523, 7046, 17615, 18869, 35230, 37738, 94345, 188690, 245297, 490594, 1226485, 2452970, 5113499, 10226998, 25567495, 51134990, 66475487, 132950974, 332377435, 664754870]

約数ペア:

[(1, 664754870), (2, 332377435), (5, 132950974), (10, 66475487), (13, 51134990), (26, 25567495), (65, 10226998), (130, 5113499), (271, 2452970), (542, 1226485), (1355, 490594), (2710, 245297), (3523, 188690), (7046, 94345), (17615, 37738), (18869, 35230)]