279803862

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{398581}}^1$

素因数の和:398605

約数の個数: 32

約数和(自身を含む): 669617760

約数和(自身を除く): 389813898

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 234, 351, 702, 398581, 797162, 1195743, 2391486, 3587229, 5181553, 7174458, 10363106, 10761687, 15544659, 21523374, 31089318, 46633977, 93267954, 139901931, 279803862]

約数ペア:

[(1, 279803862), (2, 139901931), (3, 93267954), (6, 46633977), (9, 31089318), (13, 21523374), (18, 15544659), (26, 10761687), (27, 10363106), (39, 7174458), (54, 5181553), (78, 3587229), (117, 2391486), (234, 1195743), (351, 797162), (702, 398581)]