8171254

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:197

約数の個数: 64

約数和(自身を含む): 16934400

約数和(自身を除く): 8763146

約数列:

[1, 2, 7, 13, 14, 17, 19, 26, 34, 38, 91, 119, 133, 139, 182, 221, 238, 247, 266, 278, 323, 442, 494, 646, 973, 1547, 1729, 1807, 1946, 2261, 2363, 2641, 3094, 3458, 3614, 4199, 4522, 4726, 5282, 8398, 12649, 16541, 18487, 25298, 29393, 30719, 33082, 34333, 36974, 44897, 58786, 61438, 68666, 89794, 215033, 240331, 314279, 430066, 480662, 583661, 628558, 1167322, 4085627, 8171254]

約数ペア:

[(1, 8171254), (2, 4085627), (7, 1167322), (13, 628558), (14, 583661), (17, 480662), (19, 430066), (26, 314279), (34, 240331), (38, 215033), (91, 89794), (119, 68666), (133, 61438), (139, 58786), (182, 44897), (221, 36974), (238, 34333), (247, 33082), (266, 30719), (278, 29393), (323, 25298), (442, 18487), (494, 16541), (646, 12649), (973, 8398), (1547, 5282), (1729, 4726), (1807, 4522), (1946, 4199), (2261, 3614), (2363, 3458), (2641, 3094)]