13121628

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{233}}^1$

素因数の和:291

約数の個数: 72

約数和(自身を含む): 34948368

約数和(自身を除く): 21826740

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 52, 57, 76, 78, 114, 156, 228, 233, 247, 361, 466, 494, 699, 722, 741, 932, 988, 1083, 1398, 1444, 1482, 2166, 2796, 2964, 3029, 4332, 4427, 4693, 6058, 8854, 9087, 9386, 12116, 13281, 14079, 17708, 18174, 18772, 26562, 28158, 36348, 53124, 56316, 57551, 84113, 115102, 168226, 172653, 230204, 252339, 336452, 345306, 504678, 690612, 1009356, 1093469, 2186938, 3280407, 4373876, 6560814, 13121628]

約数ペア:

[(1, 13121628), (2, 6560814), (3, 4373876), (4, 3280407), (6, 2186938), (12, 1093469), (13, 1009356), (19, 690612), (26, 504678), (38, 345306), (39, 336452), (52, 252339), (57, 230204), (76, 172653), (78, 168226), (114, 115102), (156, 84113), (228, 57551), (233, 56316), (247, 53124), (361, 36348), (466, 28158), (494, 26562), (699, 18772), (722, 18174), (741, 17708), (932, 14079), (988, 13281), (1083, 12116), (1398, 9386), (1444, 9087), (1482, 8854), (2166, 6058), (2796, 4693), (2964, 4427), (3029, 4332)]