1389385036

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{311}}^1\times {\mathrm{1621}}^1$

素因数の和:2002

約数の個数: 48

約数和(自身を含む): 2678090688

約数和(自身を除く): 1288705652

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 212, 311, 622, 689, 1244, 1378, 1621, 2756, 3242, 4043, 6484, 8086, 16172, 16483, 21073, 32966, 42146, 65932, 84292, 85913, 171826, 214279, 343652, 428558, 504131, 857116, 1008262, 1116869, 2016524, 2233738, 4467476, 6553703, 13107406, 26214812, 26718943, 53437886, 106875772, 347346259, 694692518, 1389385036]

約数ペア:

[(1, 1389385036), (2, 694692518), (4, 347346259), (13, 106875772), (26, 53437886), (52, 26718943), (53, 26214812), (106, 13107406), (212, 6553703), (311, 4467476), (622, 2233738), (689, 2016524), (1244, 1116869), (1378, 1008262), (1621, 857116), (2756, 504131), (3242, 428558), (4043, 343652), (6484, 214279), (8086, 171826), (16172, 85913), (16483, 84292), (21073, 65932), (32966, 42146)]