389675482

素因数分解:

$2^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{179}}^1\times {\mathrm{1187}}^1$

素因数の和:1506

約数の個数: 32

約数和(自身を含む): 677445120

約数和(自身を除く): 287769638

約数列:

[1, 2, 7, 14, 131, 179, 262, 358, 917, 1187, 1253, 1834, 2374, 2506, 8309, 16618, 23449, 46898, 155497, 164143, 212473, 310994, 328286, 424946, 1088479, 1487311, 2176958, 2974622, 27833963, 55667926, 194837741, 389675482]

約数ペア:

[(1, 389675482), (2, 194837741), (7, 55667926), (14, 27833963), (131, 2974622), (179, 2176958), (262, 1487311), (358, 1088479), (917, 424946), (1187, 328286), (1253, 310994), (1834, 212473), (2374, 164143), (2506, 155497), (8309, 46898), (16618, 23449)]