8701490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{631}}^1$

素因数の和:842

約数の個数: 32

約数和(自身を含む): 18019584

約数和(自身を除く): 9318094

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 197, 394, 631, 985, 1262, 1379, 1970, 2758, 3155, 4417, 6310, 6895, 8834, 13790, 22085, 44170, 124307, 248614, 621535, 870149, 1243070, 1740298, 4350745, 8701490]

約数ペア:

[(1, 8701490), (2, 4350745), (5, 1740298), (7, 1243070), (10, 870149), (14, 621535), (35, 248614), (70, 124307), (197, 44170), (394, 22085), (631, 13790), (985, 8834), (1262, 6895), (1379, 6310), (1970, 4417), (2758, 3155)]