871326910

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{13789}}^1$

素因数の和:13956

約数の個数: 32

約数和(自身を含む): 1608465600

約数和(自身を除く): 737138690

約数列:

[1, 2, 5, 10, 71, 89, 142, 178, 355, 445, 710, 890, 6319, 12638, 13789, 27578, 31595, 63190, 68945, 137890, 979019, 1227221, 1958038, 2454442, 4895095, 6136105, 9790190, 12272210, 87132691, 174265382, 435663455, 871326910]

約数ペア:

[(1, 871326910), (2, 435663455), (5, 174265382), (10, 87132691), (71, 12272210), (89, 9790190), (142, 6136105), (178, 4895095), (355, 2454442), (445, 1958038), (710, 1227221), (890, 979019), (6319, 137890), (12638, 68945), (13789, 63190), (27578, 31595)]