About the Number

639418941

639418940 ← → 639418942

2進数表記:100110000111001100001000111101

漢数字表記:六億三千九百四十一万八千九百四十一

素因数分解:

3 4 × 7 1 × 29 1 × 37 1 × 1051 1

素因数の和:1136
約数の個数: 80
約数和(自身を含む): 1160903040
約数和(自身を除く): 521484099

約数列:
[1, 3, 7, 9, 21, 27, 29, 37, 63, 81, 87, 111, 189, 203, 259, 261, 333, 567, 609, 777, 783, 999, 1051, 1073, 1827, 2331, 2349, 2997, 3153, 3219, 5481, 6993, 7357, 7511, 9459, 9657, 16443, 20979, 22071, 22533, 28377, 28971, 30479, 38887, 66213, 67599, 85131, 86913, 91437, 116661, 198639, 202797, 213353, 272209, 274311, 349983, 595917, 608391, 640059, 816627, 822933, 1049949, 1127723, 1920177, 2449881, 2468799, 3149847, 3383169, 5760531, 7349643, 7894061, 10149507, 17281593, 22048929, 23682183, 30448521, 71046549, 91345563, 213139647, 639418941]

約数ペア:
[(1, 639418941), (3, 213139647), (7, 91345563), (9, 71046549), (21, 30448521), (27, 23682183), (29, 22048929), (37, 17281593), (63, 10149507), (81, 7894061), (87, 7349643), (111, 5760531), (189, 3383169), (203, 3149847), (259, 2468799), (261, 2449881), (333, 1920177), (567, 1127723), (609, 1049949), (777, 822933), (783, 816627), (999, 640059), (1051, 608391), (1073, 595917), (1827, 349983), (2331, 274311), (2349, 272209), (2997, 213353), (3153, 202797), (3219, 198639), (5481, 116661), (6993, 91437), (7357, 86913), (7511, 85131), (9459, 67599), (9657, 66213), (16443, 38887), (20979, 30479), (22071, 28971), (22533, 28377)]

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