About the Number

121979928

121979927 ← → 121979929

2進数表記:111010001010100010000011000

漢数字表記:一億二千百九十七万九千九百二十八

素因数分解:

2 3 × 3 1 × 7 1 × 726071 1

素因数の和:726087
約数の個数: 32
約数和(自身を含む): 348514560
約数和(自身を除く): 226534632

約数列:
[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 726071, 1452142, 2178213, 2904284, 4356426, 5082497, 5808568, 8712852, 10164994, 15247491, 17425704, 20329988, 30494982, 40659976, 60989964, 121979928]

約数ペア:
[(1, 121979928), (2, 60989964), (3, 40659976), (4, 30494982), (6, 20329988), (7, 17425704), (8, 15247491), (12, 10164994), (14, 8712852), (21, 5808568), (24, 5082497), (28, 4356426), (42, 2904284), (56, 2178213), (84, 1452142), (168, 726071)]

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