978404

素因数分解:

$2^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{421}}^1$

素因数の和:515

約数の個数: 24

約数和(自身を含む): 1985088

約数和(自身を除く): 1006684

約数列:

[1, 2, 4, 7, 14, 28, 83, 166, 332, 421, 581, 842, 1162, 1684, 2324, 2947, 5894, 11788, 34943, 69886, 139772, 244601, 489202, 978404]

約数ペア:

[(1, 978404), (2, 489202), (4, 244601), (7, 139772), (14, 69886), (28, 34943), (83, 11788), (166, 5894), (332, 2947), (421, 2324), (581, 1684), (842, 1162)]