220101973

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{181}}^1$

素因数の和:314

約数の個数: 48

約数和(自身を含む): 292795776

約数和(自身を除く): 72693803

約数列:

[1, 7, 13, 23, 49, 83, 91, 161, 181, 299, 581, 637, 1079, 1127, 1267, 1909, 2093, 2353, 4067, 4163, 7553, 8869, 13363, 14651, 15023, 16471, 24817, 29141, 52871, 54119, 93541, 105161, 115297, 173719, 195299, 203987, 345529, 378833, 736127, 1216033, 1367093, 2418703, 2651831, 4491877, 9569651, 16930921, 31443139, 220101973]

約数ペア:

[(1, 220101973), (7, 31443139), (13, 16930921), (23, 9569651), (49, 4491877), (83, 2651831), (91, 2418703), (161, 1367093), (181, 1216033), (299, 736127), (581, 378833), (637, 345529), (1079, 203987), (1127, 195299), (1267, 173719), (1909, 115297), (2093, 105161), (2353, 93541), (4067, 54119), (4163, 52871), (7553, 29141), (8869, 24817), (13363, 16471), (14651, 15023)]