About the Number

121887892

121887891 ← → 121887893

2進数表記:111010000111101110010010100

漢数字表記:一億二千百八十八万七千八百九十二

素因数分解:

2 2 × 7 2 × 17 1 × 157 1 × 233 1

素因数の和:425
約数の個数: 72
約数和(自身を含む): 265532904
約数和(自身を除く): 143645012

約数列:
[1, 2, 4, 7, 14, 17, 28, 34, 49, 68, 98, 119, 157, 196, 233, 238, 314, 466, 476, 628, 833, 932, 1099, 1631, 1666, 2198, 2669, 3262, 3332, 3961, 4396, 5338, 6524, 7693, 7922, 10676, 11417, 15386, 15844, 18683, 22834, 27727, 30772, 36581, 37366, 45668, 55454, 73162, 74732, 110908, 130781, 146324, 194089, 256067, 261562, 388178, 512134, 523124, 621877, 776356, 1024268, 1243754, 1792469, 2487508, 3584938, 4353139, 7169876, 8706278, 17412556, 30471973, 60943946, 121887892]

約数ペア:
[(1, 121887892), (2, 60943946), (4, 30471973), (7, 17412556), (14, 8706278), (17, 7169876), (28, 4353139), (34, 3584938), (49, 2487508), (68, 1792469), (98, 1243754), (119, 1024268), (157, 776356), (196, 621877), (233, 523124), (238, 512134), (314, 388178), (466, 261562), (476, 256067), (628, 194089), (833, 146324), (932, 130781), (1099, 110908), (1631, 74732), (1666, 73162), (2198, 55454), (2669, 45668), (3262, 37366), (3332, 36581), (3961, 30772), (4396, 27727), (5338, 22834), (6524, 18683), (7693, 15844), (7922, 15386), (10676, 11417)]

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