About the Number

1271197128

1271197127 ← → 1271197129

2進数表記:1001011110001001110110111001000

漢数字表記:十二億七千百十九万七千百二十八

素因数分解:

2 3 × 3 1 × 19 1 × 41 1 × 67993 1

素因数の和:68062
約数の個数: 64
約数和(自身を含む): 3426897600
約数和(自身を除く): 2155700472

約数列:
[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 41, 57, 76, 82, 114, 123, 152, 164, 228, 246, 328, 456, 492, 779, 984, 1558, 2337, 3116, 4674, 6232, 9348, 18696, 67993, 135986, 203979, 271972, 407958, 543944, 815916, 1291867, 1631832, 2583734, 2787713, 3875601, 5167468, 5575426, 7751202, 8363139, 10334936, 11150852, 15502404, 16726278, 22301704, 31004808, 33452556, 52966547, 66905112, 105933094, 158899641, 211866188, 317799282, 423732376, 635598564, 1271197128]

約数ペア:
[(1, 1271197128), (2, 635598564), (3, 423732376), (4, 317799282), (6, 211866188), (8, 158899641), (12, 105933094), (19, 66905112), (24, 52966547), (38, 33452556), (41, 31004808), (57, 22301704), (76, 16726278), (82, 15502404), (114, 11150852), (123, 10334936), (152, 8363139), (164, 7751202), (228, 5575426), (246, 5167468), (328, 3875601), (456, 2787713), (492, 2583734), (779, 1631832), (984, 1291867), (1558, 815916), (2337, 543944), (3116, 407958), (4674, 271972), (6232, 203979), (9348, 135986), (18696, 67993)]

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