1280452085

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{997}}^1\times {\mathrm{1229}}^1$

素因数の和:2261

約数の個数: 32

約数和(自身を含む): 1767657600

約数和(自身を除く): 487205515

約数列:

[1, 5, 11, 19, 55, 95, 209, 997, 1045, 1229, 4985, 6145, 10967, 13519, 18943, 23351, 54835, 67595, 94715, 116755, 208373, 256861, 1041865, 1225313, 1284305, 6126565, 13478443, 23280947, 67392215, 116404735, 256090417, 1280452085]

約数ペア:

[(1, 1280452085), (5, 256090417), (11, 116404735), (19, 67392215), (55, 23280947), (95, 13478443), (209, 6126565), (997, 1284305), (1045, 1225313), (1229, 1041865), (4985, 256861), (6145, 208373), (10967, 116755), (13519, 94715), (18943, 67595), (23351, 54835)]