388805968

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41257}}^1$

素因数の和:41315

約数の個数: 40

約数和(自身を含む): 818558720

約数和(自身を除く): 429752752

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 62, 76, 124, 152, 248, 304, 496, 589, 1178, 2356, 4712, 9424, 41257, 82514, 165028, 330056, 660112, 783883, 1278967, 1567766, 2557934, 3135532, 5115868, 6271064, 10231736, 12542128, 20463472, 24300373, 48600746, 97201492, 194402984, 388805968]

約数ペア:

[(1, 388805968), (2, 194402984), (4, 97201492), (8, 48600746), (16, 24300373), (19, 20463472), (31, 12542128), (38, 10231736), (62, 6271064), (76, 5115868), (124, 3135532), (152, 2557934), (248, 1567766), (304, 1278967), (496, 783883), (589, 660112), (1178, 330056), (2356, 165028), (4712, 82514), (9424, 41257)]