721282146

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{317}}^1\times {\mathrm{941}}^1$

素因数の和:1307

約数の個数: 64

約数和(自身を含む): 1610413056

約数和(自身を除く): 889130910

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 317, 403, 634, 806, 941, 951, 1209, 1882, 1902, 2418, 2823, 4121, 5646, 8242, 9827, 12233, 12363, 19654, 24466, 24726, 29171, 29481, 36699, 58342, 58962, 73398, 87513, 127751, 175026, 255502, 298297, 379223, 383253, 596594, 758446, 766506, 894891, 1137669, 1789782, 2275338, 3877861, 7755722, 9247207, 11633583, 18494414, 23267166, 27741621, 55483242, 120213691, 240427382, 360641073, 721282146]

約数ペア:

[(1, 721282146), (2, 360641073), (3, 240427382), (6, 120213691), (13, 55483242), (26, 27741621), (31, 23267166), (39, 18494414), (62, 11633583), (78, 9247207), (93, 7755722), (186, 3877861), (317, 2275338), (403, 1789782), (634, 1137669), (806, 894891), (941, 766506), (951, 758446), (1209, 596594), (1882, 383253), (1902, 379223), (2418, 298297), (2823, 255502), (4121, 175026), (5646, 127751), (8242, 87513), (9827, 73398), (12233, 58962), (12363, 58342), (19654, 36699), (24466, 29481), (24726, 29171)]