509604290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{331}}^1\times {\mathrm{911}}^1$

素因数の和:1275

約数の個数: 48

約数和(自身を含む): 997370496

約数和(自身を除く): 487766206

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 331, 338, 662, 845, 911, 1655, 1690, 1822, 3310, 4303, 4555, 8606, 9110, 11843, 21515, 23686, 43030, 55939, 59215, 111878, 118430, 153959, 279695, 301541, 307918, 559390, 603082, 769795, 1507705, 1539590, 3015410, 3920033, 7840066, 19600165, 39200330, 50960429, 101920858, 254802145, 509604290]

約数ペア:

[(1, 509604290), (2, 254802145), (5, 101920858), (10, 50960429), (13, 39200330), (26, 19600165), (65, 7840066), (130, 3920033), (169, 3015410), (331, 1539590), (338, 1507705), (662, 769795), (845, 603082), (911, 559390), (1655, 307918), (1690, 301541), (1822, 279695), (3310, 153959), (4303, 118430), (4555, 111878), (8606, 59215), (9110, 55939), (11843, 43030), (21515, 23686)]