81616488

素因数分解:

$2^3\times 3^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1\times {\mathrm{227}}^1$

素因数の和:518

約数の個数: 64

約数和(自身を含む): 208811520

約数和(自身を除く): 127195032

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 71, 142, 211, 213, 227, 284, 422, 426, 454, 568, 633, 681, 844, 852, 908, 1266, 1362, 1688, 1704, 1816, 2532, 2724, 5064, 5448, 14981, 16117, 29962, 32234, 44943, 47897, 48351, 59924, 64468, 89886, 95794, 96702, 119848, 128936, 143691, 179772, 191588, 193404, 287382, 359544, 383176, 386808, 574764, 1149528, 3400687, 6801374, 10202061, 13602748, 20404122, 27205496, 40808244, 81616488]

約数ペア:

[(1, 81616488), (2, 40808244), (3, 27205496), (4, 20404122), (6, 13602748), (8, 10202061), (12, 6801374), (24, 3400687), (71, 1149528), (142, 574764), (211, 386808), (213, 383176), (227, 359544), (284, 287382), (422, 193404), (426, 191588), (454, 179772), (568, 143691), (633, 128936), (681, 119848), (844, 96702), (852, 95794), (908, 89886), (1266, 64468), (1362, 59924), (1688, 48351), (1704, 47897), (1816, 44943), (2532, 32234), (2724, 29962), (5064, 16117), (5448, 14981)]