About the Number

131903898

131903897 ← → 131903899

2進数表記:111110111001011000110011010

漢数字表記:一億三千百九十万三千八百九十八

素因数分解:

2 1 × 3 1 × 7 1 × 97 1 × 32377 1

素因数の和:32486
約数の個数: 32
約数和(自身を含む): 304612224
約数和(自身を除く): 172708326

約数列:
[1, 2, 3, 6, 7, 14, 21, 42, 97, 194, 291, 582, 679, 1358, 2037, 4074, 32377, 64754, 97131, 194262, 226639, 453278, 679917, 1359834, 3140569, 6281138, 9421707, 18843414, 21983983, 43967966, 65951949, 131903898]

約数ペア:
[(1, 131903898), (2, 65951949), (3, 43967966), (6, 21983983), (7, 18843414), (14, 9421707), (21, 6281138), (42, 3140569), (97, 1359834), (194, 679917), (291, 453278), (582, 226639), (679, 194262), (1358, 97131), (2037, 64754), (4074, 32377)]

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