About the Number

129088908

129088907 ← → 129088909

2進数表記:111101100011011110110001100

漢数字表記:一億二千九百八万八千九百八

素因数分解:

2 2 × 3 2 × 13 1 × 101 1 × 2731 1

素因数の和:2855
約数の個数: 72
約数和(自身を含む): 355017936
約数和(自身を除く): 225929028

約数列:
[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 101, 117, 156, 202, 234, 303, 404, 468, 606, 909, 1212, 1313, 1818, 2626, 2731, 3636, 3939, 5252, 5462, 7878, 8193, 10924, 11817, 15756, 16386, 23634, 24579, 32772, 35503, 47268, 49158, 71006, 98316, 106509, 142012, 213018, 275831, 319527, 426036, 551662, 639054, 827493, 1103324, 1278108, 1654986, 2482479, 3309972, 3585803, 4964958, 7171606, 9929916, 10757409, 14343212, 21514818, 32272227, 43029636, 64544454, 129088908]

約数ペア:
[(1, 129088908), (2, 64544454), (3, 43029636), (4, 32272227), (6, 21514818), (9, 14343212), (12, 10757409), (13, 9929916), (18, 7171606), (26, 4964958), (36, 3585803), (39, 3309972), (52, 2482479), (78, 1654986), (101, 1278108), (117, 1103324), (156, 827493), (202, 639054), (234, 551662), (303, 426036), (404, 319527), (468, 275831), (606, 213018), (909, 142012), (1212, 106509), (1313, 98316), (1818, 71006), (2626, 49158), (2731, 47268), (3636, 35503), (3939, 32772), (5252, 24579), (5462, 23634), (7878, 16386), (8193, 15756), (10924, 11817)]

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