1280178

素因数分解:

$2^1\times 3^3\times {\mathrm{151}}^1\times {\mathrm{157}}^1$

素因数の和:319

約数の個数: 32

約数和(自身を含む): 2881920

約数和(自身を除く): 1601742

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 151, 157, 302, 314, 453, 471, 906, 942, 1359, 1413, 2718, 2826, 4077, 4239, 8154, 8478, 23707, 47414, 71121, 142242, 213363, 426726, 640089, 1280178]

約数ペア:

[(1, 1280178), (2, 640089), (3, 426726), (6, 213363), (9, 142242), (18, 71121), (27, 47414), (54, 23707), (151, 8478), (157, 8154), (302, 4239), (314, 4077), (453, 2826), (471, 2718), (906, 1413), (942, 1359)]