549328

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:179

約数の個数: 40

約数和(自身を含む): 1215200

約数和(自身を除く): 665872

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 139, 152, 208, 247, 278, 304, 494, 556, 988, 1112, 1807, 1976, 2224, 2641, 3614, 3952, 5282, 7228, 10564, 14456, 21128, 28912, 34333, 42256, 68666, 137332, 274664, 549328]

約数ペア:

[(1, 549328), (2, 274664), (4, 137332), (8, 68666), (13, 42256), (16, 34333), (19, 28912), (26, 21128), (38, 14456), (52, 10564), (76, 7228), (104, 5282), (139, 3952), (152, 3614), (208, 2641), (247, 2224), (278, 1976), (304, 1807), (494, 1112), (556, 988)]