1378818

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{353}}^1$

素因数の和:399

約数の個数: 48

約数和(自身を含む): 3534336

約数和(自身を除く): 2155518

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 31, 42, 62, 63, 93, 126, 186, 217, 279, 353, 434, 558, 651, 706, 1059, 1302, 1953, 2118, 2471, 3177, 3906, 4942, 6354, 7413, 10943, 14826, 21886, 22239, 32829, 44478, 65658, 76601, 98487, 153202, 196974, 229803, 459606, 689409, 1378818]

約数ペア:

[(1, 1378818), (2, 689409), (3, 459606), (6, 229803), (7, 196974), (9, 153202), (14, 98487), (18, 76601), (21, 65658), (31, 44478), (42, 32829), (62, 22239), (63, 21886), (93, 14826), (126, 10943), (186, 7413), (217, 6354), (279, 4942), (353, 3906), (434, 3177), (558, 2471), (651, 2118), (706, 1953), (1059, 1302)]