64739646

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{179}}^1\times {\mathrm{283}}^1$

素因数の和:541

約数の個数: 48

約数和(自身を含む): 143544960

約数和(自身を除く): 78805314

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 179, 213, 283, 358, 426, 537, 566, 639, 849, 1074, 1278, 1611, 1698, 2547, 3222, 5094, 12709, 20093, 25418, 38127, 40186, 50657, 60279, 76254, 101314, 114381, 120558, 151971, 180837, 228762, 303942, 361674, 455913, 911826, 3596647, 7193294, 10789941, 21579882, 32369823, 64739646]

約数ペア:

[(1, 64739646), (2, 32369823), (3, 21579882), (6, 10789941), (9, 7193294), (18, 3596647), (71, 911826), (142, 455913), (179, 361674), (213, 303942), (283, 228762), (358, 180837), (426, 151971), (537, 120558), (566, 114381), (639, 101314), (849, 76254), (1074, 60279), (1278, 50657), (1611, 40186), (1698, 38127), (2547, 25418), (3222, 20093), (5094, 12709)]