1294504448

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{81559}}^1$

素因数の和:81608

約数の個数: 40

約数和(自身を含む): 2669948160

約数和(自身を除く): 1375443712

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 512, 992, 1984, 3968, 7936, 15872, 81559, 163118, 326236, 652472, 1304944, 2528329, 2609888, 5056658, 5219776, 10113316, 10439552, 20226632, 20879104, 40453264, 41758208, 80906528, 161813056, 323626112, 647252224, 1294504448]

約数ペア:

[(1, 1294504448), (2, 647252224), (4, 323626112), (8, 161813056), (16, 80906528), (31, 41758208), (32, 40453264), (62, 20879104), (64, 20226632), (124, 10439552), (128, 10113316), (248, 5219776), (256, 5056658), (496, 2609888), (512, 2528329), (992, 1304944), (1984, 652472), (3968, 326236), (7936, 163118), (15872, 81559)]