515797919

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1\times {\mathrm{349}}^1$

素因数の和:627

約数の個数: 32

約数和(自身を含む): 646800000

約数和(自身を除く): 131002081

約数列:

[1, 7, 13, 91, 109, 149, 349, 763, 1043, 1417, 1937, 2443, 4537, 9919, 13559, 16241, 31759, 38041, 52001, 113687, 211133, 266287, 364007, 494533, 676013, 1477931, 3461731, 4732091, 5668109, 39676763, 73685417, 515797919]

約数ペア:

[(1, 515797919), (7, 73685417), (13, 39676763), (91, 5668109), (109, 4732091), (149, 3461731), (349, 1477931), (763, 676013), (1043, 494533), (1417, 364007), (1937, 266287), (2443, 211133), (4537, 113687), (9919, 52001), (13559, 38041), (16241, 31759)]