About the Number

71728902

71728901 ← → 71728903

2進数表記:100010001100111111100000110

漢数字表記:七千百七十二万八千九百二

素因数分解:

2 1 × 3 4 × 7 1 × 43 1 × 1471 1

素因数の和:1535
約数の個数: 80
約数和(自身を含む): 188086272
約数和(自身を除く): 116357370

約数列:
[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 43, 54, 63, 81, 86, 126, 129, 162, 189, 258, 301, 378, 387, 567, 602, 774, 903, 1134, 1161, 1471, 1806, 2322, 2709, 2942, 3483, 4413, 5418, 6966, 8127, 8826, 10297, 13239, 16254, 20594, 24381, 26478, 30891, 39717, 48762, 61782, 63253, 79434, 92673, 119151, 126506, 185346, 189759, 238302, 278019, 379518, 442771, 556038, 569277, 834057, 885542, 1138554, 1328313, 1668114, 1707831, 2656626, 3415662, 3984939, 5123493, 7969878, 10246986, 11954817, 23909634, 35864451, 71728902]

約数ペア:
[(1, 71728902), (2, 35864451), (3, 23909634), (6, 11954817), (7, 10246986), (9, 7969878), (14, 5123493), (18, 3984939), (21, 3415662), (27, 2656626), (42, 1707831), (43, 1668114), (54, 1328313), (63, 1138554), (81, 885542), (86, 834057), (126, 569277), (129, 556038), (162, 442771), (189, 379518), (258, 278019), (301, 238302), (378, 189759), (387, 185346), (567, 126506), (602, 119151), (774, 92673), (903, 79434), (1134, 63253), (1161, 61782), (1471, 48762), (1806, 39717), (2322, 30891), (2709, 26478), (2942, 24381), (3483, 20594), (4413, 16254), (5418, 13239), (6966, 10297), (8127, 8826)]

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