245544481

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:230

約数の個数: 64

約数和(自身を含む): 342171648

約数和(自身を除く): 96627167

約数列:

[1, 7, 13, 17, 23, 67, 91, 103, 119, 161, 221, 299, 391, 469, 721, 871, 1139, 1339, 1541, 1547, 1751, 2093, 2369, 2737, 5083, 6097, 6901, 7973, 9373, 10787, 12257, 14807, 16583, 20033, 22763, 26197, 30797, 35581, 40273, 48307, 89713, 103649, 117317, 140231, 158723, 159341, 183379, 215579, 281911, 340561, 523549, 627991, 821219, 1111061, 1525121, 2063399, 2383927, 2698291, 3664843, 10675847, 14443793, 18888037, 35077783, 245544481]

約数ペア:

[(1, 245544481), (7, 35077783), (13, 18888037), (17, 14443793), (23, 10675847), (67, 3664843), (91, 2698291), (103, 2383927), (119, 2063399), (161, 1525121), (221, 1111061), (299, 821219), (391, 627991), (469, 523549), (721, 340561), (871, 281911), (1139, 215579), (1339, 183379), (1541, 159341), (1547, 158723), (1751, 140231), (2093, 117317), (2369, 103649), (2737, 89713), (5083, 48307), (6097, 40273), (6901, 35581), (7973, 30797), (9373, 26197), (10787, 22763), (12257, 20033), (14807, 16583)]