About the Number

131909856

131909855 ← → 131909857

2進数表記:111110111001100100011100000

漢数字表記:一億三千百九十万九千八百五十六

素因数分解:

2 5 × 3 1 × 13 1 × 19 1 × 5563 1

素因数の和:5608
約数の個数: 96
約数和(自身を含む): 392595840
約数和(自身を除く): 260685984

約数列:
[1, 2, 3, 4, 6, 8, 12, 13, 16, 19, 24, 26, 32, 38, 39, 48, 52, 57, 76, 78, 96, 104, 114, 152, 156, 208, 228, 247, 304, 312, 416, 456, 494, 608, 624, 741, 912, 988, 1248, 1482, 1824, 1976, 2964, 3952, 5563, 5928, 7904, 11126, 11856, 16689, 22252, 23712, 33378, 44504, 66756, 72319, 89008, 105697, 133512, 144638, 178016, 211394, 216957, 267024, 289276, 317091, 422788, 433914, 534048, 578552, 634182, 845576, 867828, 1157104, 1268364, 1374061, 1691152, 1735656, 2314208, 2536728, 2748122, 3382304, 3471312, 4122183, 5073456, 5496244, 6942624, 8244366, 10146912, 10992488, 16488732, 21984976, 32977464, 43969952, 65954928, 131909856]

約数ペア:
[(1, 131909856), (2, 65954928), (3, 43969952), (4, 32977464), (6, 21984976), (8, 16488732), (12, 10992488), (13, 10146912), (16, 8244366), (19, 6942624), (24, 5496244), (26, 5073456), (32, 4122183), (38, 3471312), (39, 3382304), (48, 2748122), (52, 2536728), (57, 2314208), (76, 1735656), (78, 1691152), (96, 1374061), (104, 1268364), (114, 1157104), (152, 867828), (156, 845576), (208, 634182), (228, 578552), (247, 534048), (304, 433914), (312, 422788), (416, 317091), (456, 289276), (494, 267024), (608, 216957), (624, 211394), (741, 178016), (912, 144638), (988, 133512), (1248, 105697), (1482, 89008), (1824, 72319), (1976, 66756), (2964, 44504), (3952, 33378), (5563, 23712), (5928, 22252), (7904, 16689), (11126, 11856)]

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