2157558

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:356

約数の個数: 32

約数和(自身を含む): 4704000

約数和(自身を除く): 2546442

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 139, 199, 278, 398, 417, 597, 834, 1194, 1807, 2587, 3614, 5174, 5421, 7761, 10842, 15522, 27661, 55322, 82983, 165966, 359593, 719186, 1078779, 2157558]

約数ペア:

[(1, 2157558), (2, 1078779), (3, 719186), (6, 359593), (13, 165966), (26, 82983), (39, 55322), (78, 27661), (139, 15522), (199, 10842), (278, 7761), (398, 5421), (417, 5174), (597, 3614), (834, 2587), (1194, 1807)]