261894288

素因数分解:

$2^4\times 3^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1\times {\mathrm{617}}^1$

素因数の和:904

約数の個数: 80

約数和(自身を含む): 698883840

約数和(自身を除く): 436989552

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 37, 48, 74, 111, 148, 222, 239, 296, 444, 478, 592, 617, 717, 888, 956, 1234, 1434, 1776, 1851, 1912, 2468, 2868, 3702, 3824, 4936, 5736, 7404, 8843, 9872, 11472, 14808, 17686, 22829, 26529, 29616, 35372, 45658, 53058, 68487, 70744, 91316, 106116, 136974, 141488, 147463, 182632, 212232, 273948, 294926, 365264, 424464, 442389, 547896, 589852, 884778, 1095792, 1179704, 1769556, 2359408, 3539112, 5456131, 7078224, 10912262, 16368393, 21824524, 32736786, 43649048, 65473572, 87298096, 130947144, 261894288]

約数ペア:

[(1, 261894288), (2, 130947144), (3, 87298096), (4, 65473572), (6, 43649048), (8, 32736786), (12, 21824524), (16, 16368393), (24, 10912262), (37, 7078224), (48, 5456131), (74, 3539112), (111, 2359408), (148, 1769556), (222, 1179704), (239, 1095792), (296, 884778), (444, 589852), (478, 547896), (592, 442389), (617, 424464), (717, 365264), (888, 294926), (956, 273948), (1234, 212232), (1434, 182632), (1776, 147463), (1851, 141488), (1912, 136974), (2468, 106116), (2868, 91316), (3702, 70744), (3824, 68487), (4936, 53058), (5736, 45658), (7404, 35372), (8843, 29616), (9872, 26529), (11472, 22829), (14808, 17686)]