1607699990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{398933}}^1$

素因数の和:398984

約数の個数: 32

約数和(自身を含む): 3217003776

約数和(自身を除く): 1609303786

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 398933, 797866, 1994665, 3989330, 5186129, 10372258, 12366923, 24733846, 25930645, 51861290, 61834615, 123669230, 160769999, 321539998, 803849995, 1607699990]

約数ペア:

[(1, 1607699990), (2, 803849995), (5, 321539998), (10, 160769999), (13, 123669230), (26, 61834615), (31, 51861290), (62, 25930645), (65, 24733846), (130, 12366923), (155, 10372258), (310, 5186129), (403, 3989330), (806, 1994665), (2015, 797866), (4030, 398933)]