664884714

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{274973}}^1$

素因数の和:275022

約数の個数: 32

約数和(自身を含む): 1478260224

約数和(自身を除く): 813375510

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 403, 806, 1209, 2418, 274973, 549946, 824919, 1649838, 3574649, 7149298, 8524163, 10723947, 17048326, 21447894, 25572489, 51144978, 110814119, 221628238, 332442357, 664884714]

約数ペア:

[(1, 664884714), (2, 332442357), (3, 221628238), (6, 110814119), (13, 51144978), (26, 25572489), (31, 21447894), (39, 17048326), (62, 10723947), (78, 8524163), (93, 7149298), (186, 3574649), (403, 1649838), (806, 824919), (1209, 549946), (2418, 274973)]