289143218

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{3109}}^1$

素因数の和:3211

約数の個数: 48

約数和(自身を含む): 550955160

約数和(自身を除く): 261811942

約数列:

[1, 2, 7, 13, 14, 26, 49, 73, 91, 98, 146, 182, 511, 637, 949, 1022, 1274, 1898, 3109, 3577, 6218, 6643, 7154, 13286, 21763, 40417, 43526, 46501, 80834, 93002, 152341, 226957, 282919, 304682, 453914, 565838, 1588699, 1980433, 2950441, 3177398, 3960866, 5900882, 11120893, 20653087, 22241786, 41306174, 144571609, 289143218]

約数ペア:

[(1, 289143218), (2, 144571609), (7, 41306174), (13, 22241786), (14, 20653087), (26, 11120893), (49, 5900882), (73, 3960866), (91, 3177398), (98, 2950441), (146, 1980433), (182, 1588699), (511, 565838), (637, 453914), (949, 304682), (1022, 282919), (1274, 226957), (1898, 152341), (3109, 93002), (3577, 80834), (6218, 46501), (6643, 43526), (7154, 40417), (13286, 21763)]