161339868

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{235877}}^1$

素因数の和:235906

約数の個数: 36

約数和(自身を含む): 429297960

約数和(自身を除く): 267958092

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 235877, 471754, 707631, 943508, 1415262, 2122893, 2830524, 4245786, 4481663, 8491572, 8963326, 13444989, 17926652, 26889978, 40334967, 53779956, 80669934, 161339868]

約数ペア:

[(1, 161339868), (2, 80669934), (3, 53779956), (4, 40334967), (6, 26889978), (9, 17926652), (12, 13444989), (18, 8963326), (19, 8491572), (36, 4481663), (38, 4245786), (57, 2830524), (76, 2122893), (114, 1415262), (171, 943508), (228, 707631), (342, 471754), (684, 235877)]