281505296

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{389}}^1\times {\mathrm{1459}}^1$

素因数の和:1887

約数の個数: 40

約数和(自身を含む): 564844800

約数和(自身を除く): 283339504

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 389, 496, 778, 1459, 1556, 2918, 3112, 5836, 6224, 11672, 12059, 23344, 24118, 45229, 48236, 90458, 96472, 180916, 192944, 361832, 567551, 723664, 1135102, 2270204, 4540408, 9080816, 17594081, 35188162, 70376324, 140752648, 281505296]

約数ペア:

[(1, 281505296), (2, 140752648), (4, 70376324), (8, 35188162), (16, 17594081), (31, 9080816), (62, 4540408), (124, 2270204), (248, 1135102), (389, 723664), (496, 567551), (778, 361832), (1459, 192944), (1556, 180916), (2918, 96472), (3112, 90458), (5836, 48236), (6224, 45229), (11672, 24118), (12059, 23344)]