388708671

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{83}}^1\times {\mathrm{227}}^1$

素因数の和:372

約数の個数: 48

約数和(自身を含む): 593099136

約数和(自身を除く): 204390465

約数列:

[1, 3, 13, 23, 39, 69, 83, 227, 249, 299, 529, 681, 897, 1079, 1587, 1909, 2951, 3237, 5221, 5727, 6877, 8853, 15663, 18841, 20631, 24817, 43907, 56523, 67873, 74451, 120083, 131721, 203619, 244933, 360249, 433343, 570791, 734799, 1300029, 1561079, 1712373, 4683237, 5633459, 9966889, 16900377, 29900667, 129569557, 388708671]

約数ペア:

[(1, 388708671), (3, 129569557), (13, 29900667), (23, 16900377), (39, 9966889), (69, 5633459), (83, 4683237), (227, 1712373), (249, 1561079), (299, 1300029), (529, 734799), (681, 570791), (897, 433343), (1079, 360249), (1587, 244933), (1909, 203619), (2951, 131721), (3237, 120083), (5221, 74451), (5727, 67873), (6877, 56523), (8853, 43907), (15663, 24817), (18841, 20631)]