81826690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{227}}^1$

素因数の和:387

約数の個数: 64

約数和(自身を含む): 168428160

約数和(自身を除く): 86601470

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 110, 113, 145, 226, 227, 290, 319, 454, 565, 638, 1130, 1135, 1243, 1595, 2270, 2486, 2497, 3190, 3277, 4994, 6215, 6554, 6583, 12430, 12485, 13166, 16385, 24970, 25651, 32770, 32915, 36047, 51302, 65830, 72094, 72413, 128255, 144826, 180235, 256510, 282161, 360470, 362065, 564322, 724130, 743879, 1410805, 1487758, 2821610, 3719395, 7438790, 8182669, 16365338, 40913345, 81826690]

約数ペア:

[(1, 81826690), (2, 40913345), (5, 16365338), (10, 8182669), (11, 7438790), (22, 3719395), (29, 2821610), (55, 1487758), (58, 1410805), (110, 743879), (113, 724130), (145, 564322), (226, 362065), (227, 360470), (290, 282161), (319, 256510), (454, 180235), (565, 144826), (638, 128255), (1130, 72413), (1135, 72094), (1243, 65830), (1595, 51302), (2270, 36047), (2486, 32915), (2497, 32770), (3190, 25651), (3277, 24970), (4994, 16385), (6215, 13166), (6554, 12485), (6583, 12430)]