128935194

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{193}}^1$

素因数の和:371

約数の個数: 64

約数和(自身を含む): 278913024

約数和(自身を除く): 149977830

約数列:

[1, 2, 3, 6, 23, 46, 47, 69, 94, 103, 138, 141, 193, 206, 282, 309, 386, 579, 618, 1081, 1158, 2162, 2369, 3243, 4439, 4738, 4841, 6486, 7107, 8878, 9071, 9682, 13317, 14214, 14523, 18142, 19879, 26634, 27213, 29046, 39758, 54426, 59637, 111343, 119274, 208633, 222686, 334029, 417266, 457217, 625899, 668058, 914434, 934313, 1251798, 1371651, 1868626, 2743302, 2802939, 5605878, 21489199, 42978398, 64467597, 128935194]

約数ペア:

[(1, 128935194), (2, 64467597), (3, 42978398), (6, 21489199), (23, 5605878), (46, 2802939), (47, 2743302), (69, 1868626), (94, 1371651), (103, 1251798), (138, 934313), (141, 914434), (193, 668058), (206, 625899), (282, 457217), (309, 417266), (386, 334029), (579, 222686), (618, 208633), (1081, 119274), (1158, 111343), (2162, 59637), (2369, 54426), (3243, 39758), (4439, 29046), (4738, 27213), (4841, 26634), (6486, 19879), (7107, 18142), (8878, 14523), (9071, 14214), (9682, 13317)]