About the Number

808130421

808130420 ← → 808130422

2進数表記:110000001010110001011101110101

漢数字表記:八億八百十三万四百二十一

素因数分解:

3 2 × 7 1 × 79 1 × 397 1 × 409 1

素因数の和:898
約数の個数: 48
約数和(自身を含む): 1357657600
約数和(自身を除く): 549527179

約数列:
[1, 3, 7, 9, 21, 63, 79, 237, 397, 409, 553, 711, 1191, 1227, 1659, 2779, 2863, 3573, 3681, 4977, 8337, 8589, 25011, 25767, 31363, 32311, 94089, 96933, 162373, 219541, 226177, 282267, 290799, 487119, 658623, 678531, 1136611, 1461357, 1975869, 2035593, 3409833, 10229499, 12827467, 38482401, 89792269, 115447203, 269376807, 808130421]

約数ペア:
[(1, 808130421), (3, 269376807), (7, 115447203), (9, 89792269), (21, 38482401), (63, 12827467), (79, 10229499), (237, 3409833), (397, 2035593), (409, 1975869), (553, 1461357), (711, 1136611), (1191, 678531), (1227, 658623), (1659, 487119), (2779, 290799), (2863, 282267), (3573, 226177), (3681, 219541), (4977, 162373), (8337, 96933), (8589, 94089), (25011, 32311), (25767, 31363)]

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