31504990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{9239}}^1$

素因数の和:9288

約数の個数: 32

約数和(自身を含む): 63866880

約数和(自身を除く): 32361890

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 155, 310, 341, 682, 1705, 3410, 9239, 18478, 46195, 92390, 101629, 203258, 286409, 508145, 572818, 1016290, 1432045, 2864090, 3150499, 6300998, 15752495, 31504990]

約数ペア:

[(1, 31504990), (2, 15752495), (5, 6300998), (10, 3150499), (11, 2864090), (22, 1432045), (31, 1016290), (55, 572818), (62, 508145), (110, 286409), (155, 203258), (310, 101629), (341, 92390), (682, 46195), (1705, 18478), (3410, 9239)]