About the Number

129487992

129487991 ← → 129487993

2進数表記:111101101111101010001111000

漢数字表記:一億二千九百四十八万七千九百九十二

素因数分解:

2 3 × 3 1 × 31 1 × 269 1 × 647 1

素因数の和:956
約数の個数: 64
約数和(自身を含む): 335923200
約数和(自身を除く): 206435208

約数列:
[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 93, 124, 186, 248, 269, 372, 538, 647, 744, 807, 1076, 1294, 1614, 1941, 2152, 2588, 3228, 3882, 5176, 6456, 7764, 8339, 15528, 16678, 20057, 25017, 33356, 40114, 50034, 60171, 66712, 80228, 100068, 120342, 160456, 174043, 200136, 240684, 348086, 481368, 522129, 696172, 1044258, 1392344, 2088516, 4177032, 5395333, 10790666, 16185999, 21581332, 32371998, 43162664, 64743996, 129487992]

約数ペア:
[(1, 129487992), (2, 64743996), (3, 43162664), (4, 32371998), (6, 21581332), (8, 16185999), (12, 10790666), (24, 5395333), (31, 4177032), (62, 2088516), (93, 1392344), (124, 1044258), (186, 696172), (248, 522129), (269, 481368), (372, 348086), (538, 240684), (647, 200136), (744, 174043), (807, 160456), (1076, 120342), (1294, 100068), (1614, 80228), (1941, 66712), (2152, 60171), (2588, 50034), (3228, 40114), (3882, 33356), (5176, 25017), (6456, 20057), (7764, 16678), (8339, 15528)]

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