389748368

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41357}}^1$

素因数の和:41415

約数の個数: 40

約数和(自身を含む): 820542720

約数和(自身を除く): 430794352

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 62, 76, 124, 152, 248, 304, 496, 589, 1178, 2356, 4712, 9424, 41357, 82714, 165428, 330856, 661712, 785783, 1282067, 1571566, 2564134, 3143132, 5128268, 6286264, 10256536, 12572528, 20513072, 24359273, 48718546, 97437092, 194874184, 389748368]

約数ペア:

[(1, 389748368), (2, 194874184), (4, 97437092), (8, 48718546), (16, 24359273), (19, 20513072), (31, 12572528), (38, 10256536), (62, 6286264), (76, 5128268), (124, 3143132), (152, 2564134), (248, 1571566), (304, 1282067), (496, 785783), (589, 661712), (1178, 330856), (2356, 165428), (4712, 82714), (9424, 41357)]