79996878

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{947}}^1$

素因数の和:1006

約数の個数: 72

約数和(自身を含む): 197208648

約数和(自身を除く): 117211770

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 38, 39, 57, 78, 114, 117, 171, 234, 247, 342, 361, 494, 722, 741, 947, 1083, 1482, 1894, 2166, 2223, 2841, 3249, 4446, 4693, 5682, 6498, 8523, 9386, 12311, 14079, 17046, 17993, 24622, 28158, 35986, 36933, 42237, 53979, 73866, 84474, 107958, 110799, 161937, 221598, 233909, 323874, 341867, 467818, 683734, 701727, 1025601, 1403454, 2051202, 2105181, 3076803, 4210362, 4444271, 6153606, 8888542, 13332813, 26665626, 39998439, 79996878]

約数ペア:

[(1, 79996878), (2, 39998439), (3, 26665626), (6, 13332813), (9, 8888542), (13, 6153606), (18, 4444271), (19, 4210362), (26, 3076803), (38, 2105181), (39, 2051202), (57, 1403454), (78, 1025601), (114, 701727), (117, 683734), (171, 467818), (234, 341867), (247, 323874), (342, 233909), (361, 221598), (494, 161937), (722, 110799), (741, 107958), (947, 84474), (1083, 73866), (1482, 53979), (1894, 42237), (2166, 36933), (2223, 35986), (2841, 28158), (3249, 24622), (4446, 17993), (4693, 17046), (5682, 14079), (6498, 12311), (8523, 9386)]