311182884

素因数分解:

$2^2\times 3^5\times {\mathrm{389}}^1\times {\mathrm{823}}^1$

素因数の和:1231

約数の個数: 72

約数和(自身を含む): 818825280

約数和(自身を除く): 507642396

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 389, 486, 778, 823, 972, 1167, 1556, 1646, 2334, 2469, 3292, 3501, 4668, 4938, 7002, 7407, 9876, 10503, 14004, 14814, 21006, 22221, 29628, 31509, 42012, 44442, 63018, 66663, 88884, 94527, 126036, 133326, 189054, 199989, 266652, 320147, 378108, 399978, 640294, 799956, 960441, 1280588, 1920882, 2881323, 3841764, 5762646, 8643969, 11525292, 17287938, 25931907, 34575876, 51863814, 77795721, 103727628, 155591442, 311182884]

約数ペア:

[(1, 311182884), (2, 155591442), (3, 103727628), (4, 77795721), (6, 51863814), (9, 34575876), (12, 25931907), (18, 17287938), (27, 11525292), (36, 8643969), (54, 5762646), (81, 3841764), (108, 2881323), (162, 1920882), (243, 1280588), (324, 960441), (389, 799956), (486, 640294), (778, 399978), (823, 378108), (972, 320147), (1167, 266652), (1556, 199989), (1646, 189054), (2334, 133326), (2469, 126036), (3292, 94527), (3501, 88884), (4668, 66663), (4938, 63018), (7002, 44442), (7407, 42012), (9876, 31509), (10503, 29628), (14004, 22221), (14814, 21006)]