205120916

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{51229}}^1$

素因数の和:51264

約数の個数: 48

約数和(自身を含む): 481971840

約数和(自身を除く): 276850924

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 286, 308, 364, 572, 1001, 2002, 4004, 51229, 102458, 204916, 358603, 563519, 665977, 717206, 1127038, 1331954, 1434412, 2254076, 2663908, 3944633, 4661839, 7325747, 7889266, 9323678, 14651494, 15778532, 18647356, 29302988, 51280229, 102560458, 205120916]

約数ペア:

[(1, 205120916), (2, 102560458), (4, 51280229), (7, 29302988), (11, 18647356), (13, 15778532), (14, 14651494), (22, 9323678), (26, 7889266), (28, 7325747), (44, 4661839), (52, 3944633), (77, 2663908), (91, 2254076), (143, 1434412), (154, 1331954), (182, 1127038), (286, 717206), (308, 665977), (364, 563519), (572, 358603), (1001, 204916), (2002, 102458), (4004, 51229)]