About the Number

201997028311

201997028310 ← → 201997028312

2進数表記:10111100000111111101100000101111010111

漢数字表記:二千十九億九千七百二万八千三百十一

素因数分解:

13 1 × 47 1 × 79 1 × 193 1 × 21683 1

素因数の和:22015
約数の個数: 32
約数和(自身を含む): 226151976960
約数和(自身を除く): 24154948649

約数列:
[1, 13, 47, 79, 193, 611, 1027, 2509, 3713, 9071, 15247, 21683, 48269, 117923, 198211, 281879, 716609, 1019101, 1712957, 4184819, 9315917, 13248313, 22268441, 54402647, 80508979, 196686493, 330600701, 1046616727, 2556924409, 4297809113, 15538232947, 201997028311]

約数ペア:
[(1, 201997028311), (13, 15538232947), (47, 4297809113), (79, 2556924409), (193, 1046616727), (611, 330600701), (1027, 196686493), (2509, 80508979), (3713, 54402647), (9071, 22268441), (15247, 13248313), (21683, 9315917), (48269, 4184819), (117923, 1712957), (198211, 1019101), (281879, 716609)]

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