243079590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{623281}}^1$

素因数の和:623304

約数の個数: 32

約数和(自身を含む): 628268256

約数和(自身を除く): 385188666

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 623281, 1246562, 1869843, 3116405, 3739686, 6232810, 8102653, 9349215, 16205306, 18698430, 24307959, 40513265, 48615918, 81026530, 121539795, 243079590]

約数ペア:

[(1, 243079590), (2, 121539795), (3, 81026530), (5, 48615918), (6, 40513265), (10, 24307959), (13, 18698430), (15, 16205306), (26, 9349215), (30, 8102653), (39, 6232810), (65, 3739686), (78, 3116405), (130, 1869843), (195, 1246562), (390, 623281)]