90578852

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1871}}^1$

素因数の和:1921

約数の個数: 72

約数和(自身を含む): 209139840

約数和(自身を除く): 118560988

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 49, 52, 76, 91, 98, 133, 182, 196, 247, 266, 364, 494, 532, 637, 931, 988, 1274, 1729, 1862, 1871, 2548, 3458, 3724, 3742, 6916, 7484, 12103, 13097, 24206, 24323, 26194, 35549, 48412, 48646, 52388, 71098, 91679, 97292, 142196, 170261, 183358, 248843, 340522, 366716, 462137, 497686, 681044, 924274, 995372, 1191827, 1741901, 1848548, 2383654, 3234959, 3483802, 4767308, 6469918, 6967604, 12939836, 22644713, 45289426, 90578852]

約数ペア:

[(1, 90578852), (2, 45289426), (4, 22644713), (7, 12939836), (13, 6967604), (14, 6469918), (19, 4767308), (26, 3483802), (28, 3234959), (38, 2383654), (49, 1848548), (52, 1741901), (76, 1191827), (91, 995372), (98, 924274), (133, 681044), (182, 497686), (196, 462137), (247, 366716), (266, 340522), (364, 248843), (494, 183358), (532, 170261), (637, 142196), (931, 97292), (988, 91679), (1274, 71098), (1729, 52388), (1862, 48646), (1871, 48412), (2548, 35549), (3458, 26194), (3724, 24323), (3742, 24206), (6916, 13097), (7484, 12103)]