641212

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1$

素因数の和:106

約数の個数: 48

約数和(自身を含む): 1411200

約数和(自身を除く): 769988

約数列:

[1, 2, 4, 11, 13, 19, 22, 26, 38, 44, 52, 59, 76, 118, 143, 209, 236, 247, 286, 418, 494, 572, 649, 767, 836, 988, 1121, 1298, 1534, 2242, 2596, 2717, 3068, 4484, 5434, 8437, 10868, 12331, 14573, 16874, 24662, 29146, 33748, 49324, 58292, 160303, 320606, 641212]

約数ペア:

[(1, 641212), (2, 320606), (4, 160303), (11, 58292), (13, 49324), (19, 33748), (22, 29146), (26, 24662), (38, 16874), (44, 14573), (52, 12331), (59, 10868), (76, 8437), (118, 5434), (143, 4484), (209, 3068), (236, 2717), (247, 2596), (286, 2242), (418, 1534), (494, 1298), (572, 1121), (649, 988), (767, 836)]