7138278

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{181}}^1\times {\mathrm{313}}^1$

素因数の和:509

約数の個数: 48

約数和(自身を含む): 17830176

約数和(自身を除く): 10691898

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 181, 313, 362, 543, 626, 939, 1086, 1267, 1629, 1878, 2191, 2534, 2817, 3258, 3801, 4382, 5634, 6573, 7602, 11403, 13146, 19719, 22806, 39438, 56653, 113306, 169959, 339918, 396571, 509877, 793142, 1019754, 1189713, 2379426, 3569139, 7138278]

約数ペア:

[(1, 7138278), (2, 3569139), (3, 2379426), (6, 1189713), (7, 1019754), (9, 793142), (14, 509877), (18, 396571), (21, 339918), (42, 169959), (63, 113306), (126, 56653), (181, 39438), (313, 22806), (362, 19719), (543, 13146), (626, 11403), (939, 7602), (1086, 6573), (1267, 5634), (1629, 4382), (1878, 3801), (2191, 3258), (2534, 2817)]