1287396796

素因数分解:

$2^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{1571}}^1$

素因数の和:1739

約数の個数: 72

約数和(自身を含む): 2717151696

約数和(自身を除く): 1429754900

約数列:

[1, 2, 4, 7, 14, 28, 37, 49, 74, 98, 113, 148, 196, 226, 259, 452, 518, 791, 1036, 1571, 1582, 1813, 3142, 3164, 3626, 4181, 5537, 6284, 7252, 8362, 10997, 11074, 16724, 21994, 22148, 29267, 43988, 58127, 58534, 76979, 116254, 117068, 153958, 177523, 204869, 232508, 307916, 355046, 406889, 409738, 710092, 813778, 819476, 1242661, 1627556, 2485322, 2848223, 4970644, 5696446, 6568351, 8698627, 11392892, 13136702, 17397254, 26273404, 34794508, 45978457, 91956914, 183913828, 321849199, 643698398, 1287396796]

約数ペア:

[(1, 1287396796), (2, 643698398), (4, 321849199), (7, 183913828), (14, 91956914), (28, 45978457), (37, 34794508), (49, 26273404), (74, 17397254), (98, 13136702), (113, 11392892), (148, 8698627), (196, 6568351), (226, 5696446), (259, 4970644), (452, 2848223), (518, 2485322), (791, 1627556), (1036, 1242661), (1571, 819476), (1582, 813778), (1813, 710092), (3142, 409738), (3164, 406889), (3626, 355046), (4181, 307916), (5537, 232508), (6284, 204869), (7252, 177523), (8362, 153958), (10997, 117068), (11074, 116254), (16724, 76979), (21994, 58534), (22148, 58127), (29267, 43988)]