221375588

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:253

約数の個数: 96

約数和(自身を含む): 481302528

約数和(自身を除く): 259926940

約数列:

[1, 2, 4, 7, 14, 28, 31, 37, 61, 62, 74, 113, 122, 124, 148, 217, 226, 244, 259, 427, 434, 452, 518, 791, 854, 868, 1036, 1147, 1582, 1708, 1891, 2257, 2294, 3164, 3503, 3782, 4181, 4514, 4588, 6893, 7006, 7564, 8029, 8362, 9028, 13237, 13786, 14012, 15799, 16058, 16724, 24521, 26474, 27572, 29267, 31598, 32116, 48251, 49042, 52948, 58534, 63196, 69967, 96502, 98084, 117068, 129611, 139934, 193004, 213683, 255041, 259222, 279868, 427366, 489769, 510082, 518444, 854732, 907277, 979538, 1020164, 1495781, 1785287, 1814554, 1959076, 2991562, 3570574, 3629108, 5983124, 7141148, 7906271, 15812542, 31625084, 55343897, 110687794, 221375588]

約数ペア:

[(1, 221375588), (2, 110687794), (4, 55343897), (7, 31625084), (14, 15812542), (28, 7906271), (31, 7141148), (37, 5983124), (61, 3629108), (62, 3570574), (74, 2991562), (113, 1959076), (122, 1814554), (124, 1785287), (148, 1495781), (217, 1020164), (226, 979538), (244, 907277), (259, 854732), (427, 518444), (434, 510082), (452, 489769), (518, 427366), (791, 279868), (854, 259222), (868, 255041), (1036, 213683), (1147, 193004), (1582, 139934), (1708, 129611), (1891, 117068), (2257, 98084), (2294, 96502), (3164, 69967), (3503, 63196), (3782, 58534), (4181, 52948), (4514, 49042), (4588, 48251), (6893, 32116), (7006, 31598), (7564, 29267), (8029, 27572), (8362, 26474), (9028, 24521), (13237, 16724), (13786, 16058), (14012, 15799)]