77618916

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{443}}^1$

素因数の和:641

約数の個数: 72

約数和(自身を含む): 204282624

約数和(自身を除く): 126663708

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 157, 186, 279, 314, 372, 443, 471, 558, 628, 886, 942, 1116, 1329, 1413, 1772, 1884, 2658, 2826, 3987, 4867, 5316, 5652, 7974, 9734, 13733, 14601, 15948, 19468, 27466, 29202, 41199, 43803, 54932, 58404, 69551, 82398, 87606, 123597, 139102, 164796, 175212, 208653, 247194, 278204, 417306, 494388, 625959, 834612, 1251918, 2156081, 2503836, 4312162, 6468243, 8624324, 12936486, 19404729, 25872972, 38809458, 77618916]

約数ペア:

[(1, 77618916), (2, 38809458), (3, 25872972), (4, 19404729), (6, 12936486), (9, 8624324), (12, 6468243), (18, 4312162), (31, 2503836), (36, 2156081), (62, 1251918), (93, 834612), (124, 625959), (157, 494388), (186, 417306), (279, 278204), (314, 247194), (372, 208653), (443, 175212), (471, 164796), (558, 139102), (628, 123597), (886, 87606), (942, 82398), (1116, 69551), (1329, 58404), (1413, 54932), (1772, 43803), (1884, 41199), (2658, 29202), (2826, 27466), (3987, 19468), (4867, 15948), (5316, 14601), (5652, 13733), (7974, 9734)]