89913187

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1$

素因数の和:105

約数の個数: 72

約数和(自身を含む): 131344416

約数和(自身を除く): 41431229

約数列:

[1, 7, 13, 17, 19, 23, 49, 91, 119, 133, 161, 221, 247, 299, 323, 361, 391, 437, 637, 833, 931, 1127, 1547, 1729, 2093, 2261, 2527, 2737, 3059, 4199, 4693, 5083, 5681, 6137, 7429, 8303, 10829, 12103, 14651, 15827, 17689, 19159, 21413, 29393, 32851, 35581, 39767, 42959, 52003, 58121, 79781, 96577, 107939, 141151, 205751, 229957, 249067, 278369, 300713, 364021, 406847, 558467, 676039, 755573, 988057, 1834963, 3909269, 4732273, 5289011, 6916399, 12844741, 89913187]

約数ペア:

[(1, 89913187), (7, 12844741), (13, 6916399), (17, 5289011), (19, 4732273), (23, 3909269), (49, 1834963), (91, 988057), (119, 755573), (133, 676039), (161, 558467), (221, 406847), (247, 364021), (299, 300713), (323, 278369), (361, 249067), (391, 229957), (437, 205751), (637, 141151), (833, 107939), (931, 96577), (1127, 79781), (1547, 58121), (1729, 52003), (2093, 42959), (2261, 39767), (2527, 35581), (2737, 32851), (3059, 29393), (4199, 21413), (4693, 19159), (5083, 17689), (5681, 15827), (6137, 14651), (7429, 12103), (8303, 10829)]