1253888

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:128

約数の個数: 40

約数和(自身を含む): 2618880

約数和(自身を除く): 1364992

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 79, 124, 128, 158, 248, 256, 316, 496, 512, 632, 992, 1264, 1984, 2449, 2528, 3968, 4898, 5056, 7936, 9796, 10112, 15872, 19592, 20224, 39184, 40448, 78368, 156736, 313472, 626944, 1253888]

約数ペア:

[(1, 1253888), (2, 626944), (4, 313472), (8, 156736), (16, 78368), (31, 40448), (32, 39184), (62, 20224), (64, 19592), (79, 15872), (124, 10112), (128, 9796), (158, 7936), (248, 5056), (256, 4898), (316, 3968), (496, 2528), (512, 2449), (632, 1984), (992, 1264)]