215205510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{551809}}^1$

素因数の和:551832

約数の個数: 32

約数和(自身を含む): 556224480

約数和(自身を除く): 341018970

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 551809, 1103618, 1655427, 2759045, 3310854, 5518090, 7173517, 8277135, 14347034, 16554270, 21520551, 35867585, 43041102, 71735170, 107602755, 215205510]

約数ペア:

[(1, 215205510), (2, 107602755), (3, 71735170), (5, 43041102), (6, 35867585), (10, 21520551), (13, 16554270), (15, 14347034), (26, 8277135), (30, 7173517), (39, 5518090), (65, 3310854), (78, 2759045), (130, 1655427), (195, 1103618), (390, 551809)]