31917886

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{149}}^1$

素因数の和:289

約数の個数: 64

約数和(自身を含む): 65318400

約数和(自身を除く): 33400514

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 107, 143, 149, 154, 182, 214, 286, 298, 749, 1001, 1043, 1177, 1391, 1498, 1639, 1937, 2002, 2086, 2354, 2782, 3278, 3874, 8239, 9737, 11473, 13559, 15301, 15943, 16478, 19474, 21307, 22946, 27118, 30602, 31886, 42614, 107107, 111601, 149149, 175373, 207259, 214214, 223202, 298298, 350746, 414518, 1227611, 1450813, 2279849, 2455222, 2901626, 4559698, 15958943, 31917886]

約数ペア:

[(1, 31917886), (2, 15958943), (7, 4559698), (11, 2901626), (13, 2455222), (14, 2279849), (22, 1450813), (26, 1227611), (77, 414518), (91, 350746), (107, 298298), (143, 223202), (149, 214214), (154, 207259), (182, 175373), (214, 149149), (286, 111601), (298, 107107), (749, 42614), (1001, 31886), (1043, 30602), (1177, 27118), (1391, 22946), (1498, 21307), (1639, 19474), (1937, 16478), (2002, 15943), (2086, 15301), (2354, 13559), (2782, 11473), (3278, 9737), (3874, 8239)]