About the Number

138996855

138996854 ← → 138996856

2進数表記:1000010010001110110001110111

漢数字表記:一億三千八百九十九万六千八百五十五

素因数分解:

3 2 × 5 1 × 29 1 × 43 1 × 2477 1

素因数の和:2560
約数の個数: 48
約数和(自身を含む): 255134880
約数和(自身を除く): 116138025

約数列:
[1, 3, 5, 9, 15, 29, 43, 45, 87, 129, 145, 215, 261, 387, 435, 645, 1247, 1305, 1935, 2477, 3741, 6235, 7431, 11223, 12385, 18705, 22293, 37155, 56115, 71833, 106511, 111465, 215499, 319533, 359165, 532555, 646497, 958599, 1077495, 1597665, 3088819, 3232485, 4792995, 9266457, 15444095, 27799371, 46332285, 138996855]

約数ペア:
[(1, 138996855), (3, 46332285), (5, 27799371), (9, 15444095), (15, 9266457), (29, 4792995), (43, 3232485), (45, 3088819), (87, 1597665), (129, 1077495), (145, 958599), (215, 646497), (261, 532555), (387, 359165), (435, 319533), (645, 215499), (1247, 111465), (1305, 106511), (1935, 71833), (2477, 56115), (3741, 37155), (6235, 22293), (7431, 18705), (11223, 12385)]

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