197898544

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{398989}}^1$

素因数の和:399028

約数の個数: 20

約数和(自身を含む): 395798080

約数和(自身を除く): 197899536

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 398989, 797978, 1595956, 3191912, 6383824, 12368659, 24737318, 49474636, 98949272, 197898544]

約数ペア:

[(1, 197898544), (2, 98949272), (4, 49474636), (8, 24737318), (16, 12368659), (31, 6383824), (62, 3191912), (124, 1595956), (248, 797978), (496, 398989)]