281919890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{129917}}^1$

素因数の和:129962

約数の個数: 32

約数和(自身を含む): 598662144

約数和(自身を除く): 316742254

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 1085, 2170, 129917, 259834, 649585, 909419, 1299170, 1818838, 4027427, 4547095, 8054854, 9094190, 20137135, 28191989, 40274270, 56383978, 140959945, 281919890]

約数ペア:

[(1, 281919890), (2, 140959945), (5, 56383978), (7, 40274270), (10, 28191989), (14, 20137135), (31, 9094190), (35, 8054854), (62, 4547095), (70, 4027427), (155, 1818838), (217, 1299170), (310, 909419), (434, 649585), (1085, 259834), (2170, 129917)]