17787966

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:257

約数の個数: 64

約数和(自身を含む): 42425856

約数和(自身を除く): 24637890

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 53, 61, 106, 122, 131, 159, 183, 262, 318, 366, 371, 393, 427, 742, 786, 854, 917, 1113, 1281, 1834, 2226, 2562, 2751, 3233, 5502, 6466, 6943, 7991, 9699, 13886, 15982, 19398, 20829, 22631, 23973, 41658, 45262, 47946, 48601, 55937, 67893, 97202, 111874, 135786, 145803, 167811, 291606, 335622, 423523, 847046, 1270569, 2541138, 2964661, 5929322, 8893983, 17787966]

約数ペア:

[(1, 17787966), (2, 8893983), (3, 5929322), (6, 2964661), (7, 2541138), (14, 1270569), (21, 847046), (42, 423523), (53, 335622), (61, 291606), (106, 167811), (122, 145803), (131, 135786), (159, 111874), (183, 97202), (262, 67893), (318, 55937), (366, 48601), (371, 47946), (393, 45262), (427, 41658), (742, 23973), (786, 22631), (854, 20829), (917, 19398), (1113, 15982), (1281, 13886), (1834, 9699), (2226, 7991), (2562, 6943), (2751, 6466), (3233, 5502)]