About the Number

71212128

71212127 ← → 71212129

2進数表記:100001111101001110001100000

漢数字表記:七千百二十一万二千百二十八

素因数分解:

2 5 × 3 1 × 13 1 × 43 1 × 1327 1

素因数の和:1396
約数の個数: 96
約数和(自身を含む): 206148096
約数和(自身を除く): 134935968

約数列:
[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 43, 48, 52, 78, 86, 96, 104, 129, 156, 172, 208, 258, 312, 344, 416, 516, 559, 624, 688, 1032, 1118, 1248, 1327, 1376, 1677, 2064, 2236, 2654, 3354, 3981, 4128, 4472, 5308, 6708, 7962, 8944, 10616, 13416, 15924, 17251, 17888, 21232, 26832, 31848, 34502, 42464, 51753, 53664, 57061, 63696, 69004, 103506, 114122, 127392, 138008, 171183, 207012, 228244, 276016, 342366, 414024, 456488, 552032, 684732, 741793, 828048, 912976, 1369464, 1483586, 1656096, 1825952, 2225379, 2738928, 2967172, 4450758, 5477856, 5934344, 8901516, 11868688, 17803032, 23737376, 35606064, 71212128]

約数ペア:
[(1, 71212128), (2, 35606064), (3, 23737376), (4, 17803032), (6, 11868688), (8, 8901516), (12, 5934344), (13, 5477856), (16, 4450758), (24, 2967172), (26, 2738928), (32, 2225379), (39, 1825952), (43, 1656096), (48, 1483586), (52, 1369464), (78, 912976), (86, 828048), (96, 741793), (104, 684732), (129, 552032), (156, 456488), (172, 414024), (208, 342366), (258, 276016), (312, 228244), (344, 207012), (416, 171183), (516, 138008), (559, 127392), (624, 114122), (688, 103506), (1032, 69004), (1118, 63696), (1248, 57061), (1327, 53664), (1376, 51753), (1677, 42464), (2064, 34502), (2236, 31848), (2654, 26832), (3354, 21232), (3981, 17888), (4128, 17251), (4472, 15924), (5308, 13416), (6708, 10616), (7962, 8944)]

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