12975556

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1$

素因数の和:145

約数の個数: 72

約数和(自身を含む): 28153440

約数和(自身を除く): 15177884

約数列:

[1, 2, 4, 11, 17, 19, 22, 34, 38, 44, 68, 76, 83, 121, 166, 187, 209, 242, 323, 332, 374, 418, 484, 646, 748, 836, 913, 1292, 1411, 1577, 1826, 2057, 2299, 2822, 3154, 3553, 3652, 4114, 4598, 5644, 6308, 7106, 8228, 9196, 10043, 14212, 15521, 17347, 20086, 26809, 31042, 34694, 39083, 40172, 53618, 62084, 69388, 78166, 107236, 156332, 170731, 190817, 294899, 341462, 381634, 589798, 682924, 763268, 1179596, 3243889, 6487778, 12975556]

約数ペア:

[(1, 12975556), (2, 6487778), (4, 3243889), (11, 1179596), (17, 763268), (19, 682924), (22, 589798), (34, 381634), (38, 341462), (44, 294899), (68, 190817), (76, 170731), (83, 156332), (121, 107236), (166, 78166), (187, 69388), (209, 62084), (242, 53618), (323, 40172), (332, 39083), (374, 34694), (418, 31042), (484, 26809), (646, 20086), (748, 17347), (836, 15521), (913, 14212), (1292, 10043), (1411, 9196), (1577, 8228), (1826, 7106), (2057, 6308), (2299, 5644), (2822, 4598), (3154, 4114), (3553, 3652)]