2491553090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19165793}}^1$

素因数の和:19165813

約数の個数: 16

約数和(自身を含む): 4829780088

約数和(自身を除く): 2338226998

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 19165793, 38331586, 95828965, 191657930, 249155309, 498310618, 1245776545, 2491553090]

約数ペア:

[(1, 2491553090), (2, 1245776545), (5, 498310618), (10, 249155309), (13, 191657930), (26, 95828965), (65, 38331586), (130, 19165793)]