15978028

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{521}}^1$

素因数の和:594

約数の個数: 48

約数和(自身を含む): 33149088

約数和(自身を除く): 17171060

約数列:

[1, 2, 4, 11, 17, 22, 34, 41, 44, 68, 82, 164, 187, 374, 451, 521, 697, 748, 902, 1042, 1394, 1804, 2084, 2788, 5731, 7667, 8857, 11462, 15334, 17714, 21361, 22924, 30668, 35428, 42722, 85444, 97427, 194854, 234971, 363137, 389708, 469942, 726274, 939884, 1452548, 3994507, 7989014, 15978028]

約数ペア:

[(1, 15978028), (2, 7989014), (4, 3994507), (11, 1452548), (17, 939884), (22, 726274), (34, 469942), (41, 389708), (44, 363137), (68, 234971), (82, 194854), (164, 97427), (187, 85444), (374, 42722), (451, 35428), (521, 30668), (697, 22924), (748, 21361), (902, 17714), (1042, 15334), (1394, 11462), (1804, 8857), (2084, 7667), (2788, 5731)]