258716018

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:303

約数の個数: 64

約数和(自身を含む): 460062720

約数和(自身を除く): 201346702

約数列:

[1, 2, 11, 22, 29, 31, 58, 62, 103, 127, 206, 254, 319, 341, 638, 682, 899, 1133, 1397, 1798, 2266, 2794, 2987, 3193, 3683, 3937, 5974, 6386, 7366, 7874, 9889, 13081, 19778, 26162, 32857, 35123, 40513, 43307, 65714, 70246, 81026, 86614, 92597, 114173, 143891, 185194, 228346, 287782, 379349, 405511, 758698, 811022, 1018567, 1255903, 2037134, 2511806, 4172839, 4460621, 8345678, 8921242, 11759819, 23519638, 129358009, 258716018]

約数ペア:

[(1, 258716018), (2, 129358009), (11, 23519638), (22, 11759819), (29, 8921242), (31, 8345678), (58, 4460621), (62, 4172839), (103, 2511806), (127, 2037134), (206, 1255903), (254, 1018567), (319, 811022), (341, 758698), (638, 405511), (682, 379349), (899, 287782), (1133, 228346), (1397, 185194), (1798, 143891), (2266, 114173), (2794, 92597), (2987, 86614), (3193, 81026), (3683, 70246), (3937, 65714), (5974, 43307), (6386, 40513), (7366, 35123), (7874, 32857), (9889, 26162), (13081, 19778)]