15691390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{10973}}^1$

素因数の和:11004

約数の個数: 32

約数和(自身を含む): 33185376

約数和(自身を除く): 17493986

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 10973, 21946, 54865, 109730, 120703, 142649, 241406, 285298, 603515, 713245, 1207030, 1426490, 1569139, 3138278, 7845695, 15691390]

約数ペア:

[(1, 15691390), (2, 7845695), (5, 3138278), (10, 1569139), (11, 1426490), (13, 1207030), (22, 713245), (26, 603515), (55, 285298), (65, 241406), (110, 142649), (130, 120703), (143, 109730), (286, 54865), (715, 21946), (1430, 10973)]