257587638

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{32797}}^1$

素因数の和:32837

約数の個数: 64

約数和(自身を含む): 680099328

約数和(自身を除く): 422511690

約数列:

[1, 2, 3, 6, 7, 11, 14, 17, 21, 22, 33, 34, 42, 51, 66, 77, 102, 119, 154, 187, 231, 238, 357, 374, 462, 561, 714, 1122, 1309, 2618, 3927, 7854, 32797, 65594, 98391, 196782, 229579, 360767, 459158, 557549, 688737, 721534, 1082301, 1115098, 1377474, 1672647, 2164602, 2525369, 3345294, 3902843, 5050738, 6133039, 7576107, 7805686, 11708529, 12266078, 15152214, 18399117, 23417058, 36798234, 42931273, 85862546, 128793819, 257587638]

約数ペア:

[(1, 257587638), (2, 128793819), (3, 85862546), (6, 42931273), (7, 36798234), (11, 23417058), (14, 18399117), (17, 15152214), (21, 12266078), (22, 11708529), (33, 7805686), (34, 7576107), (42, 6133039), (51, 5050738), (66, 3902843), (77, 3345294), (102, 2525369), (119, 2164602), (154, 1672647), (187, 1377474), (231, 1115098), (238, 1082301), (357, 721534), (374, 688737), (462, 557549), (561, 459158), (714, 360767), (1122, 229579), (1309, 196782), (2618, 98391), (3927, 65594), (7854, 32797)]