198803988

素因数分解:

$2^2\times 3^2\times {\mathrm{137}}^1\times {\mathrm{173}}^1\times {\mathrm{233}}^1$

素因数の和:553

約数の個数: 72

約数和(自身を含む): 511311528

約数和(自身を除く): 312507540

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 137, 173, 233, 274, 346, 411, 466, 519, 548, 692, 699, 822, 932, 1038, 1233, 1398, 1557, 1644, 2076, 2097, 2466, 2796, 3114, 4194, 4932, 6228, 8388, 23701, 31921, 40309, 47402, 63842, 71103, 80618, 94804, 95763, 120927, 127684, 142206, 161236, 191526, 213309, 241854, 284412, 287289, 362781, 383052, 426618, 483708, 574578, 725562, 853236, 1149156, 1451124, 5522333, 11044666, 16566999, 22089332, 33133998, 49700997, 66267996, 99401994, 198803988]

約数ペア:

[(1, 198803988), (2, 99401994), (3, 66267996), (4, 49700997), (6, 33133998), (9, 22089332), (12, 16566999), (18, 11044666), (36, 5522333), (137, 1451124), (173, 1149156), (233, 853236), (274, 725562), (346, 574578), (411, 483708), (466, 426618), (519, 383052), (548, 362781), (692, 287289), (699, 284412), (822, 241854), (932, 213309), (1038, 191526), (1233, 161236), (1398, 142206), (1557, 127684), (1644, 120927), (2076, 95763), (2097, 94804), (2466, 80618), (2796, 71103), (3114, 63842), (4194, 47402), (4932, 40309), (6228, 31921), (8388, 23701)]