81738324

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{283}}^1$

素因数の和:477

約数の個数: 72

約数和(自身を含む): 212127552

約数和(自身を除く): 130389228

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 113, 142, 213, 226, 283, 284, 339, 426, 452, 566, 639, 678, 849, 852, 1017, 1132, 1278, 1356, 1698, 2034, 2547, 2556, 3396, 4068, 5094, 8023, 10188, 16046, 20093, 24069, 31979, 32092, 40186, 48138, 60279, 63958, 72207, 80372, 95937, 96276, 120558, 127916, 144414, 180837, 191874, 241116, 287811, 288828, 361674, 383748, 575622, 723348, 1151244, 2270509, 4541018, 6811527, 9082036, 13623054, 20434581, 27246108, 40869162, 81738324]

約数ペア:

[(1, 81738324), (2, 40869162), (3, 27246108), (4, 20434581), (6, 13623054), (9, 9082036), (12, 6811527), (18, 4541018), (36, 2270509), (71, 1151244), (113, 723348), (142, 575622), (213, 383748), (226, 361674), (283, 288828), (284, 287811), (339, 241116), (426, 191874), (452, 180837), (566, 144414), (639, 127916), (678, 120558), (849, 96276), (852, 95937), (1017, 80372), (1132, 72207), (1278, 63958), (1356, 60279), (1698, 48138), (2034, 40186), (2547, 32092), (2556, 31979), (3396, 24069), (4068, 20093), (5094, 16046), (8023, 10188)]