81436416

素因数分解:

$2^8\times 3^1\times {\mathrm{107}}^1\times {\mathrm{991}}^1$

素因数の和:1117

約数の個数: 72

約数和(自身を含む): 218985984

約数和(自身を除く): 137549568

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 107, 128, 192, 214, 256, 321, 384, 428, 642, 768, 856, 991, 1284, 1712, 1982, 2568, 2973, 3424, 3964, 5136, 5946, 6848, 7928, 10272, 11892, 13696, 15856, 20544, 23784, 27392, 31712, 41088, 47568, 63424, 82176, 95136, 106037, 126848, 190272, 212074, 253696, 318111, 380544, 424148, 636222, 761088, 848296, 1272444, 1696592, 2544888, 3393184, 5089776, 6786368, 10179552, 13572736, 20359104, 27145472, 40718208, 81436416]

約数ペア:

[(1, 81436416), (2, 40718208), (3, 27145472), (4, 20359104), (6, 13572736), (8, 10179552), (12, 6786368), (16, 5089776), (24, 3393184), (32, 2544888), (48, 1696592), (64, 1272444), (96, 848296), (107, 761088), (128, 636222), (192, 424148), (214, 380544), (256, 318111), (321, 253696), (384, 212074), (428, 190272), (642, 126848), (768, 106037), (856, 95136), (991, 82176), (1284, 63424), (1712, 47568), (1982, 41088), (2568, 31712), (2973, 27392), (3424, 23784), (3964, 20544), (5136, 15856), (5946, 13696), (6848, 11892), (7928, 10272)]