489678

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:232

約数の個数: 32

約数和(自身を含む): 1140480

約数和(自身を除く): 650802

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 89, 131, 178, 262, 267, 393, 534, 623, 786, 917, 1246, 1834, 1869, 2751, 3738, 5502, 11659, 23318, 34977, 69954, 81613, 163226, 244839, 489678]

約数ペア:

[(1, 489678), (2, 244839), (3, 163226), (6, 81613), (7, 69954), (14, 34977), (21, 23318), (42, 11659), (89, 5502), (131, 3738), (178, 2751), (262, 1869), (267, 1834), (393, 1246), (534, 917), (623, 786)]