129218278

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{21121}}^1$

素因数の和:21172

約数の個数: 32

約数和(自身を含む): 243325440

約数和(自身を除く): 114107162

約数列:

[1, 2, 7, 14, 19, 23, 38, 46, 133, 161, 266, 322, 437, 874, 3059, 6118, 21121, 42242, 147847, 295694, 401299, 485783, 802598, 971566, 2809093, 3400481, 5618186, 6800962, 9229877, 18459754, 64609139, 129218278]

約数ペア:

[(1, 129218278), (2, 64609139), (7, 18459754), (14, 9229877), (19, 6800962), (23, 5618186), (38, 3400481), (46, 2809093), (133, 971566), (161, 802598), (266, 485783), (322, 401299), (437, 295694), (874, 147847), (3059, 42242), (6118, 21121)]