998269285

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{491}}^1\times {\mathrm{1009}}^1$

素因数の和:1549

約数の個数: 32

約数和(自身を含む): 1335720960

約数和(自身を除く): 337451675

約数列:

[1, 5, 13, 31, 65, 155, 403, 491, 1009, 2015, 2455, 5045, 6383, 13117, 15221, 31279, 31915, 65585, 76105, 156395, 197873, 406627, 495419, 989365, 2033135, 2477095, 6440447, 15357989, 32202235, 76789945, 199653857, 998269285]

約数ペア:

[(1, 998269285), (5, 199653857), (13, 76789945), (31, 32202235), (65, 15357989), (155, 6440447), (403, 2477095), (491, 2033135), (1009, 989365), (2015, 495419), (2455, 406627), (5045, 197873), (6383, 156395), (13117, 76105), (15221, 65585), (31279, 31915)]