About the Number

31072912

31072911 ← → 31072913

2進数表記:1110110100010001010010000

漢数字表記:三千百七万二千九百十二

素因数分解:

2 4 × 13 1 × 31 1 × 61 1 × 79 1

素因数の和:192
約数の個数: 80
約数和(自身を含む): 68884480
約数和(自身を除く): 37811568

約数列:
[1, 2, 4, 8, 13, 16, 26, 31, 52, 61, 62, 79, 104, 122, 124, 158, 208, 244, 248, 316, 403, 488, 496, 632, 793, 806, 976, 1027, 1264, 1586, 1612, 1891, 2054, 2449, 3172, 3224, 3782, 4108, 4819, 4898, 6344, 6448, 7564, 8216, 9638, 9796, 12688, 15128, 16432, 19276, 19592, 24583, 30256, 31837, 38552, 39184, 49166, 62647, 63674, 77104, 98332, 125294, 127348, 149389, 196664, 250588, 254696, 298778, 393328, 501176, 509392, 597556, 1002352, 1195112, 1942057, 2390224, 3884114, 7768228, 15536456, 31072912]

約数ペア:
[(1, 31072912), (2, 15536456), (4, 7768228), (8, 3884114), (13, 2390224), (16, 1942057), (26, 1195112), (31, 1002352), (52, 597556), (61, 509392), (62, 501176), (79, 393328), (104, 298778), (122, 254696), (124, 250588), (158, 196664), (208, 149389), (244, 127348), (248, 125294), (316, 98332), (403, 77104), (488, 63674), (496, 62647), (632, 49166), (793, 39184), (806, 38552), (976, 31837), (1027, 30256), (1264, 24583), (1586, 19592), (1612, 19276), (1891, 16432), (2054, 15128), (2449, 12688), (3172, 9796), (3224, 9638), (3782, 8216), (4108, 7564), (4819, 6448), (4898, 6344)]

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