28559556

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1$

素因数の和:361

約数の個数: 72

約数和(自身を含む): 75455744

約数和(自身を除く): 46896188

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 157, 163, 186, 279, 314, 326, 372, 471, 489, 558, 628, 652, 942, 978, 1116, 1413, 1467, 1884, 1956, 2826, 2934, 4867, 5053, 5652, 5868, 9734, 10106, 14601, 15159, 19468, 20212, 25591, 29202, 30318, 43803, 45477, 51182, 58404, 60636, 76773, 87606, 90954, 102364, 153546, 175212, 181908, 230319, 307092, 460638, 793321, 921276, 1586642, 2379963, 3173284, 4759926, 7139889, 9519852, 14279778, 28559556]

約数ペア:

[(1, 28559556), (2, 14279778), (3, 9519852), (4, 7139889), (6, 4759926), (9, 3173284), (12, 2379963), (18, 1586642), (31, 921276), (36, 793321), (62, 460638), (93, 307092), (124, 230319), (157, 181908), (163, 175212), (186, 153546), (279, 102364), (314, 90954), (326, 87606), (372, 76773), (471, 60636), (489, 58404), (558, 51182), (628, 45477), (652, 43803), (942, 30318), (978, 29202), (1116, 25591), (1413, 20212), (1467, 19468), (1884, 15159), (1956, 14601), (2826, 10106), (2934, 9734), (4867, 5868), (5053, 5652)]