161839356

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{449}}^1\times {\mathrm{613}}^1$

素因数の和:1083

約数の個数: 72

約数和(自身を含む): 440974800

約数和(自身を除く): 279135444

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 449, 588, 613, 898, 1226, 1347, 1796, 1839, 2452, 2694, 3143, 3678, 4291, 5388, 6286, 7356, 8582, 9429, 12572, 12873, 17164, 18858, 22001, 25746, 30037, 37716, 44002, 51492, 60074, 66003, 88004, 90111, 120148, 132006, 180222, 264012, 275237, 360444, 550474, 825711, 1100948, 1651422, 1926659, 3302844, 3853318, 5779977, 7706636, 11559954, 13486613, 23119908, 26973226, 40459839, 53946452, 80919678, 161839356]

約数ペア:

[(1, 161839356), (2, 80919678), (3, 53946452), (4, 40459839), (6, 26973226), (7, 23119908), (12, 13486613), (14, 11559954), (21, 7706636), (28, 5779977), (42, 3853318), (49, 3302844), (84, 1926659), (98, 1651422), (147, 1100948), (196, 825711), (294, 550474), (449, 360444), (588, 275237), (613, 264012), (898, 180222), (1226, 132006), (1347, 120148), (1796, 90111), (1839, 88004), (2452, 66003), (2694, 60074), (3143, 51492), (3678, 44002), (4291, 37716), (5388, 30037), (6286, 25746), (7356, 22001), (8582, 18858), (9429, 17164), (12572, 12873)]