161218694

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{269}}^1$

素因数の和:417

約数の個数: 64

約数和(自身を含む): 310262400

約数和(自身を除く): 149043706

約数列:

[1, 2, 7, 13, 14, 26, 37, 74, 89, 91, 178, 182, 259, 269, 481, 518, 538, 623, 962, 1157, 1246, 1883, 2314, 3293, 3367, 3497, 3766, 6586, 6734, 6994, 8099, 9953, 16198, 19906, 23051, 23941, 24479, 42809, 46102, 47882, 48958, 69671, 85618, 129389, 139342, 167587, 258778, 299663, 311233, 335174, 599326, 622466, 885817, 905723, 1771634, 1811446, 2178631, 4357262, 6200719, 11515621, 12401438, 23031242, 80609347, 161218694]

約数ペア:

[(1, 161218694), (2, 80609347), (7, 23031242), (13, 12401438), (14, 11515621), (26, 6200719), (37, 4357262), (74, 2178631), (89, 1811446), (91, 1771634), (178, 905723), (182, 885817), (259, 622466), (269, 599326), (481, 335174), (518, 311233), (538, 299663), (623, 258778), (962, 167587), (1157, 139342), (1246, 129389), (1883, 85618), (2314, 69671), (3293, 48958), (3367, 47882), (3497, 46102), (3766, 42809), (6586, 24479), (6734, 23941), (6994, 23051), (8099, 19906), (9953, 16198)]