289399328

素因数分解:

$2^5\times {\mathrm{113}}^1\times {\mathrm{163}}^1\times {\mathrm{491}}^1$

素因数の和:777

約数の個数: 48

約数和(自身を含む): 579501216

約数和(自身を除く): 290101888

約数列:

[1, 2, 4, 8, 16, 32, 113, 163, 226, 326, 452, 491, 652, 904, 982, 1304, 1808, 1964, 2608, 3616, 3928, 5216, 7856, 15712, 18419, 36838, 55483, 73676, 80033, 110966, 147352, 160066, 221932, 294704, 320132, 443864, 589408, 640264, 887728, 1280528, 1775456, 2561056, 9043729, 18087458, 36174916, 72349832, 144699664, 289399328]

約数ペア:

[(1, 289399328), (2, 144699664), (4, 72349832), (8, 36174916), (16, 18087458), (32, 9043729), (113, 2561056), (163, 1775456), (226, 1280528), (326, 887728), (452, 640264), (491, 589408), (652, 443864), (904, 320132), (982, 294704), (1304, 221932), (1808, 160066), (1964, 147352), (2608, 110966), (3616, 80033), (3928, 73676), (5216, 55483), (7856, 36838), (15712, 18419)]