158331136

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:399

約数の個数: 72

約数和(自身を含む): 332011008

約数和(自身を除く): 173679872

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 71, 124, 128, 142, 248, 256, 281, 284, 496, 562, 568, 992, 1124, 1136, 1984, 2201, 2248, 2272, 3968, 4402, 4496, 4544, 7936, 8711, 8804, 8992, 9088, 17422, 17608, 17984, 18176, 19951, 34844, 35216, 35968, 39902, 69688, 70432, 71936, 79804, 139376, 140864, 159608, 278752, 281728, 319216, 557504, 563456, 618481, 638432, 1115008, 1236962, 1276864, 2230016, 2473924, 2553728, 4947848, 5107456, 9895696, 19791392, 39582784, 79165568, 158331136]

約数ペア:

[(1, 158331136), (2, 79165568), (4, 39582784), (8, 19791392), (16, 9895696), (31, 5107456), (32, 4947848), (62, 2553728), (64, 2473924), (71, 2230016), (124, 1276864), (128, 1236962), (142, 1115008), (248, 638432), (256, 618481), (281, 563456), (284, 557504), (496, 319216), (562, 281728), (568, 278752), (992, 159608), (1124, 140864), (1136, 139376), (1984, 79804), (2201, 71936), (2248, 70432), (2272, 69688), (3968, 39902), (4402, 35968), (4496, 35216), (4544, 34844), (7936, 19951), (8711, 18176), (8804, 17984), (8992, 17608), (9088, 17422)]