2780358

素因数分解:

$2^1\times 3^1\times 7^4\times {\mathrm{193}}^1$

素因数の和:226

約数の個数: 40

約数和(自身を含む): 6520728

約数和(自身を除く): 3740370

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 193, 294, 343, 386, 579, 686, 1029, 1158, 1351, 2058, 2401, 2702, 4053, 4802, 7203, 8106, 9457, 14406, 18914, 28371, 56742, 66199, 132398, 198597, 397194, 463393, 926786, 1390179, 2780358]

約数ペア:

[(1, 2780358), (2, 1390179), (3, 926786), (6, 463393), (7, 397194), (14, 198597), (21, 132398), (42, 66199), (49, 56742), (98, 28371), (147, 18914), (193, 14406), (294, 9457), (343, 8106), (386, 7203), (579, 4802), (686, 4053), (1029, 2702), (1158, 2401), (1351, 2058)]