About the Number

1998764028

1998764027 ← → 1998764029

2進数表記:1110111001000101011011111111100

漢数字表記:十九億九千八百七十六万四千二十八

素因数分解:

2 2 × 3 2 × 103 1 × 163 1 × 3307 1

素因数の和:3583
約数の個数: 72
約数和(自身を含む): 5134333568
約数和(自身を除く): 3135569540

約数列:
[1, 2, 3, 4, 6, 9, 12, 18, 36, 103, 163, 206, 309, 326, 412, 489, 618, 652, 927, 978, 1236, 1467, 1854, 1956, 2934, 3307, 3708, 5868, 6614, 9921, 13228, 16789, 19842, 29763, 33578, 39684, 50367, 59526, 67156, 100734, 119052, 151101, 201468, 302202, 340621, 539041, 604404, 681242, 1021863, 1078082, 1362484, 1617123, 2043726, 2156164, 3065589, 3234246, 4087452, 4851369, 6131178, 6468492, 9702738, 12262356, 19405476, 55521223, 111042446, 166563669, 222084892, 333127338, 499691007, 666254676, 999382014, 1998764028]

約数ペア:
[(1, 1998764028), (2, 999382014), (3, 666254676), (4, 499691007), (6, 333127338), (9, 222084892), (12, 166563669), (18, 111042446), (36, 55521223), (103, 19405476), (163, 12262356), (206, 9702738), (309, 6468492), (326, 6131178), (412, 4851369), (489, 4087452), (618, 3234246), (652, 3065589), (927, 2156164), (978, 2043726), (1236, 1617123), (1467, 1362484), (1854, 1078082), (1956, 1021863), (2934, 681242), (3307, 604404), (3708, 539041), (5868, 340621), (6614, 302202), (9921, 201468), (13228, 151101), (16789, 119052), (19842, 100734), (29763, 67156), (33578, 59526), (39684, 50367)]

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