81270904

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3739}}^1$

素因数の和:3788

約数の個数: 64

約数和(自身を含む): 188496000

約数和(自身を除く): 107225096

約数列:

[1, 2, 4, 8, 11, 13, 19, 22, 26, 38, 44, 52, 76, 88, 104, 143, 152, 209, 247, 286, 418, 494, 572, 836, 988, 1144, 1672, 1976, 2717, 3739, 5434, 7478, 10868, 14956, 21736, 29912, 41129, 48607, 71041, 82258, 97214, 142082, 164516, 194428, 284164, 329032, 388856, 534677, 568328, 781451, 923533, 1069354, 1562902, 1847066, 2138708, 3125804, 3694132, 4277416, 6251608, 7388264, 10158863, 20317726, 40635452, 81270904]

約数ペア:

[(1, 81270904), (2, 40635452), (4, 20317726), (8, 10158863), (11, 7388264), (13, 6251608), (19, 4277416), (22, 3694132), (26, 3125804), (38, 2138708), (44, 1847066), (52, 1562902), (76, 1069354), (88, 923533), (104, 781451), (143, 568328), (152, 534677), (209, 388856), (247, 329032), (286, 284164), (418, 194428), (494, 164516), (572, 142082), (836, 97214), (988, 82258), (1144, 71041), (1672, 48607), (1976, 41129), (2717, 29912), (3739, 21736), (5434, 14956), (7478, 10868)]