About the Number

28722928

28722927 ← → 28722929

2進数表記:1101101100100011011110000

漢数字表記:二千八百七十二万二千九百二十八

素因数分解:

2 4 × 13 1 × 17 1 × 8123 1

素因数の和:8161
約数の個数: 40
約数和(自身を含む): 63464688
約数和(自身を除く): 34741760

約数列:
[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 1768, 3536, 8123, 16246, 32492, 64984, 105599, 129968, 138091, 211198, 276182, 422396, 552364, 844792, 1104728, 1689584, 1795183, 2209456, 3590366, 7180732, 14361464, 28722928]

約数ペア:
[(1, 28722928), (2, 14361464), (4, 7180732), (8, 3590366), (13, 2209456), (16, 1795183), (17, 1689584), (26, 1104728), (34, 844792), (52, 552364), (68, 422396), (104, 276182), (136, 211198), (208, 138091), (221, 129968), (272, 105599), (442, 64984), (884, 32492), (1768, 16246), (3536, 8123)]

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