28907154

素因数分解:

$2^1\times 3^2\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{193}}^1$

素因数の和:411

約数の個数: 48

約数和(自身を含む): 64553112

約数和(自身を除く): 35645958

約数列:

[1, 2, 3, 6, 9, 18, 53, 106, 157, 159, 193, 314, 318, 386, 471, 477, 579, 942, 954, 1158, 1413, 1737, 2826, 3474, 8321, 10229, 16642, 20458, 24963, 30301, 30687, 49926, 60602, 61374, 74889, 90903, 92061, 149778, 181806, 184122, 272709, 545418, 1605953, 3211906, 4817859, 9635718, 14453577, 28907154]

約数ペア:

[(1, 28907154), (2, 14453577), (3, 9635718), (6, 4817859), (9, 3211906), (18, 1605953), (53, 545418), (106, 272709), (157, 184122), (159, 181806), (193, 149778), (314, 92061), (318, 90903), (386, 74889), (471, 61374), (477, 60602), (579, 49926), (942, 30687), (954, 30301), (1158, 24963), (1413, 20458), (1737, 16642), (2826, 10229), (3474, 8321)]