199984862

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{431}}^1$

素因数の和:605

約数の個数: 64

約数和(自身を含む): 394149888

約数和(自身を除く): 194165026

約数列:

[1, 2, 7, 11, 14, 22, 23, 46, 77, 131, 154, 161, 253, 262, 322, 431, 506, 862, 917, 1441, 1771, 1834, 2882, 3013, 3017, 3542, 4741, 6026, 6034, 9482, 9913, 10087, 19826, 20174, 21091, 33143, 33187, 42182, 56461, 66286, 66374, 69391, 109043, 112922, 138782, 218086, 232001, 395227, 464002, 621071, 763301, 790454, 1242142, 1298603, 1526602, 2597206, 4347497, 8694994, 9090221, 14284633, 18180442, 28569266, 99992431, 199984862]

約数ペア:

[(1, 199984862), (2, 99992431), (7, 28569266), (11, 18180442), (14, 14284633), (22, 9090221), (23, 8694994), (46, 4347497), (77, 2597206), (131, 1526602), (154, 1298603), (161, 1242142), (253, 790454), (262, 763301), (322, 621071), (431, 464002), (506, 395227), (862, 232001), (917, 218086), (1441, 138782), (1771, 112922), (1834, 109043), (2882, 69391), (3013, 66374), (3017, 66286), (3542, 56461), (4741, 42182), (6026, 33187), (6034, 33143), (9482, 21091), (9913, 20174), (10087, 19826)]