About the Number

1397660208

1397660207 ← → 1397660209

2進数表記:1010011010011101001101000110000

漢数字表記:十三億九千七百六十六万二百八

素因数分解:

2 4 × 3 1 × 7 1 × 709 1 × 5867 1

素因数の和:6594
約数の個数: 80
約数和(自身を含む): 4132949760
約数和(自身を除く): 2735289552

約数列:
[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 709, 1418, 2127, 2836, 4254, 4963, 5672, 5867, 8508, 9926, 11344, 11734, 14889, 17016, 17601, 19852, 23468, 29778, 34032, 35202, 39704, 41069, 46936, 59556, 70404, 79408, 82138, 93872, 119112, 123207, 140808, 164276, 238224, 246414, 281616, 328552, 492828, 657104, 985656, 1971312, 4159703, 8319406, 12479109, 16638812, 24958218, 29117921, 33277624, 49916436, 58235842, 66555248, 87353763, 99832872, 116471684, 174707526, 199665744, 232943368, 349415052, 465886736, 698830104, 1397660208]

約数ペア:
[(1, 1397660208), (2, 698830104), (3, 465886736), (4, 349415052), (6, 232943368), (7, 199665744), (8, 174707526), (12, 116471684), (14, 99832872), (16, 87353763), (21, 66555248), (24, 58235842), (28, 49916436), (42, 33277624), (48, 29117921), (56, 24958218), (84, 16638812), (112, 12479109), (168, 8319406), (336, 4159703), (709, 1971312), (1418, 985656), (2127, 657104), (2836, 492828), (4254, 328552), (4963, 281616), (5672, 246414), (5867, 238224), (8508, 164276), (9926, 140808), (11344, 123207), (11734, 119112), (14889, 93872), (17016, 82138), (17601, 79408), (19852, 70404), (23468, 59556), (29778, 46936), (34032, 41069), (35202, 39704)]

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