About the Number

121311288

121311287 ← → 121311289

2進数表記:111001110110001000000111000

漢数字表記:一億二千百三十一万千二百八十八

素因数分解:

2 3 × 3 2 × 7 1 × 313 1 × 769 1

素因数の和:1101
約数の個数: 96
約数和(自身を含む): 377176800
約数和(自身を除く): 255865512

約数列:
[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 313, 504, 626, 769, 939, 1252, 1538, 1878, 2191, 2307, 2504, 2817, 3076, 3756, 4382, 4614, 5383, 5634, 6152, 6573, 6921, 7512, 8764, 9228, 10766, 11268, 13146, 13842, 16149, 17528, 18456, 19719, 21532, 22536, 26292, 27684, 32298, 39438, 43064, 48447, 52584, 55368, 64596, 78876, 96894, 129192, 157752, 193788, 240697, 387576, 481394, 722091, 962788, 1444182, 1684879, 1925576, 2166273, 2888364, 3369758, 4332546, 5054637, 5776728, 6739516, 8665092, 10109274, 13479032, 15163911, 17330184, 20218548, 30327822, 40437096, 60655644, 121311288]

約数ペア:
[(1, 121311288), (2, 60655644), (3, 40437096), (4, 30327822), (6, 20218548), (7, 17330184), (8, 15163911), (9, 13479032), (12, 10109274), (14, 8665092), (18, 6739516), (21, 5776728), (24, 5054637), (28, 4332546), (36, 3369758), (42, 2888364), (56, 2166273), (63, 1925576), (72, 1684879), (84, 1444182), (126, 962788), (168, 722091), (252, 481394), (313, 387576), (504, 240697), (626, 193788), (769, 157752), (939, 129192), (1252, 96894), (1538, 78876), (1878, 64596), (2191, 55368), (2307, 52584), (2504, 48447), (2817, 43064), (3076, 39438), (3756, 32298), (4382, 27684), (4614, 26292), (5383, 22536), (5634, 21532), (6152, 19719), (6573, 18456), (6921, 17528), (7512, 16149), (8764, 13842), (9228, 13146), (10766, 11268)]

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