647942386

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29917}}^1$

素因数の和:29963

約数の個数: 48

約数和(自身を含む): 1289226456

約数和(自身を除く): 641284070

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 49, 91, 98, 119, 182, 221, 238, 442, 637, 833, 1274, 1547, 1666, 3094, 10829, 21658, 29917, 59834, 209419, 388921, 418838, 508589, 777842, 1017178, 1465933, 2722447, 2931866, 3560123, 5444894, 6611657, 7120246, 13223314, 19057129, 24920861, 38114258, 46281599, 49841722, 92563198, 323971193, 647942386]

約数ペア:

[(1, 647942386), (2, 323971193), (7, 92563198), (13, 49841722), (14, 46281599), (17, 38114258), (26, 24920861), (34, 19057129), (49, 13223314), (91, 7120246), (98, 6611657), (119, 5444894), (182, 3560123), (221, 2931866), (238, 2722447), (442, 1465933), (637, 1017178), (833, 777842), (1274, 508589), (1547, 418838), (1666, 388921), (3094, 209419), (10829, 59834), (21658, 29917)]