81814908

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{2281}}^1$

素因数の和:2363

約数の個数: 72

約数和(自身を含む): 225808464

約数和(自身を除く): 143993556

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 61, 84, 98, 122, 147, 183, 196, 244, 294, 366, 427, 588, 732, 854, 1281, 1708, 2281, 2562, 2989, 4562, 5124, 5978, 6843, 8967, 9124, 11956, 13686, 15967, 17934, 27372, 31934, 35868, 47901, 63868, 95802, 111769, 139141, 191604, 223538, 278282, 335307, 417423, 447076, 556564, 670614, 834846, 973987, 1341228, 1669692, 1947974, 2921961, 3895948, 5843922, 6817909, 11687844, 13635818, 20453727, 27271636, 40907454, 81814908]

約数ペア:

[(1, 81814908), (2, 40907454), (3, 27271636), (4, 20453727), (6, 13635818), (7, 11687844), (12, 6817909), (14, 5843922), (21, 3895948), (28, 2921961), (42, 1947974), (49, 1669692), (61, 1341228), (84, 973987), (98, 834846), (122, 670614), (147, 556564), (183, 447076), (196, 417423), (244, 335307), (294, 278282), (366, 223538), (427, 191604), (588, 139141), (732, 111769), (854, 95802), (1281, 63868), (1708, 47901), (2281, 35868), (2562, 31934), (2989, 27372), (4562, 17934), (5124, 15967), (5978, 13686), (6843, 11956), (8967, 9124)]