81300164

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1231}}^1$

素因数の和:1344

約数の個数: 48

約数和(自身を含む): 165580800

約数和(自身を除く): 84280636

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 79, 158, 209, 316, 418, 836, 869, 1231, 1501, 1738, 2462, 3002, 3476, 4924, 6004, 13541, 16511, 23389, 27082, 33022, 46778, 54164, 66044, 93556, 97249, 194498, 257279, 388996, 514558, 1029116, 1069739, 1847731, 2139478, 3695462, 4278956, 7390924, 20325041, 40650082, 81300164]

約数ペア:

[(1, 81300164), (2, 40650082), (4, 20325041), (11, 7390924), (19, 4278956), (22, 3695462), (38, 2139478), (44, 1847731), (76, 1069739), (79, 1029116), (158, 514558), (209, 388996), (316, 257279), (418, 194498), (836, 97249), (869, 93556), (1231, 66044), (1501, 54164), (1738, 46778), (2462, 33022), (3002, 27082), (3476, 23389), (4924, 16511), (6004, 13541)]