9720490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3251}}^1$

素因数の和:3294

約数の個数: 32

約数和(自身を含む): 19668096

約数和(自身を除く): 9947606

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 3251, 6502, 16255, 32510, 42263, 74773, 84526, 149546, 211315, 373865, 422630, 747730, 972049, 1944098, 4860245, 9720490]

約数ペア:

[(1, 9720490), (2, 4860245), (5, 1944098), (10, 972049), (13, 747730), (23, 422630), (26, 373865), (46, 211315), (65, 149546), (115, 84526), (130, 74773), (230, 42263), (299, 32510), (598, 16255), (1495, 6502), (2990, 3251)]