131520290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{38569}}^1$

素因数の和:38618

約数の個数: 32

約数和(自身を含む): 266595840

約数和(自身を除く): 135075550

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 155, 310, 341, 682, 1705, 3410, 38569, 77138, 192845, 385690, 424259, 848518, 1195639, 2121295, 2391278, 4242590, 5978195, 11956390, 13152029, 26304058, 65760145, 131520290]

約数ペア:

[(1, 131520290), (2, 65760145), (5, 26304058), (10, 13152029), (11, 11956390), (22, 5978195), (31, 4242590), (55, 2391278), (62, 2121295), (110, 1195639), (155, 848518), (310, 424259), (341, 385690), (682, 192845), (1705, 77138), (3410, 38569)]