81145116

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{2089}}^1$

素因数の和:2195

約数の個数: 72

約数和(自身を含む): 223663440

約数和(自身を除く): 142518324

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 83, 117, 156, 166, 234, 249, 332, 468, 498, 747, 996, 1079, 1494, 2089, 2158, 2988, 3237, 4178, 4316, 6267, 6474, 8356, 9711, 12534, 12948, 18801, 19422, 25068, 27157, 37602, 38844, 54314, 75204, 81471, 108628, 162942, 173387, 244413, 325884, 346774, 488826, 520161, 693548, 977652, 1040322, 1560483, 2080644, 2254031, 3120966, 4508062, 6241932, 6762093, 9016124, 13524186, 20286279, 27048372, 40572558, 81145116]

約数ペア:

[(1, 81145116), (2, 40572558), (3, 27048372), (4, 20286279), (6, 13524186), (9, 9016124), (12, 6762093), (13, 6241932), (18, 4508062), (26, 3120966), (36, 2254031), (39, 2080644), (52, 1560483), (78, 1040322), (83, 977652), (117, 693548), (156, 520161), (166, 488826), (234, 346774), (249, 325884), (332, 244413), (468, 173387), (498, 162942), (747, 108628), (996, 81471), (1079, 75204), (1494, 54314), (2089, 38844), (2158, 37602), (2988, 27157), (3237, 25068), (4178, 19422), (4316, 18801), (6267, 12948), (6474, 12534), (8356, 9711)]