About the Number

28687090

28687089 ← → 28687091

2進数表記:1101101011011101011110010

漢数字表記:二千八百六十八万七千九十

素因数分解:

2 1 × 5 1 × 29 1 × 31 1 × 3191 1

素因数の和:3258
約数の個数: 32
約数和(自身を含む): 55157760
約数和(自身を除く): 26470670

約数列:
[1, 2, 5, 10, 29, 31, 58, 62, 145, 155, 290, 310, 899, 1798, 3191, 4495, 6382, 8990, 15955, 31910, 92539, 98921, 185078, 197842, 462695, 494605, 925390, 989210, 2868709, 5737418, 14343545, 28687090]

約数ペア:
[(1, 28687090), (2, 14343545), (5, 5737418), (10, 2868709), (29, 989210), (31, 925390), (58, 494605), (62, 462695), (145, 197842), (155, 185078), (290, 98921), (310, 92539), (899, 31910), (1798, 15955), (3191, 8990), (4495, 6382)]

このpageの処理時間: 0.006439208984375 seconds