81528304

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{2741}}^1$

素因数の和:2786

約数の個数: 60

約数和(自身を含む): 186664392

約数和(自身を除く): 105136088

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 169, 176, 208, 286, 338, 572, 676, 1144, 1352, 1859, 2288, 2704, 2741, 3718, 5482, 7436, 10964, 14872, 21928, 29744, 30151, 35633, 43856, 60302, 71266, 120604, 142532, 241208, 285064, 391963, 463229, 482416, 570128, 783926, 926458, 1567852, 1852916, 3135704, 3705832, 5095519, 6271408, 7411664, 10191038, 20382076, 40764152, 81528304]

約数ペア:

[(1, 81528304), (2, 40764152), (4, 20382076), (8, 10191038), (11, 7411664), (13, 6271408), (16, 5095519), (22, 3705832), (26, 3135704), (44, 1852916), (52, 1567852), (88, 926458), (104, 783926), (143, 570128), (169, 482416), (176, 463229), (208, 391963), (286, 285064), (338, 241208), (572, 142532), (676, 120604), (1144, 71266), (1352, 60302), (1859, 43856), (2288, 35633), (2704, 30151), (2741, 29744), (3718, 21928), (5482, 14872), (7436, 10964)]