7487391990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19198441}}^1$

素因数の和:19198464

約数の個数: 32

約数和(自身を含む): 19352029536

約数和(自身を除く): 11864637546

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 19198441, 38396882, 57595323, 95992205, 115190646, 191984410, 249579733, 287976615, 499159466, 575953230, 748739199, 1247898665, 1497478398, 2495797330, 3743695995, 7487391990]

約数ペア:

[(1, 7487391990), (2, 3743695995), (3, 2495797330), (5, 1497478398), (6, 1247898665), (10, 748739199), (13, 575953230), (15, 499159466), (26, 287976615), (30, 249579733), (39, 191984410), (65, 115190646), (78, 95992205), (130, 57595323), (195, 38396882), (390, 19198441)]