898981070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{46411}}^1$

素因数の和:46580

約数の個数: 32

約数和(自身を含む): 1754373600

約数和(自身を除く): 855392530

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 149, 298, 745, 1490, 1937, 3874, 9685, 19370, 46411, 92822, 232055, 464110, 603343, 1206686, 3016715, 6033430, 6915239, 13830478, 34576195, 69152390, 89898107, 179796214, 449490535, 898981070]

約数ペア:

[(1, 898981070), (2, 449490535), (5, 179796214), (10, 89898107), (13, 69152390), (26, 34576195), (65, 13830478), (130, 6915239), (149, 6033430), (298, 3016715), (745, 1206686), (1490, 603343), (1937, 464110), (3874, 232055), (9685, 92822), (19370, 46411)]