About the Number

138774972

138774971 ← → 138774973

2進数表記:1000010001011000100110111100

漢数字表記:一億三千八百七十七万四千九百七十二

素因数分解:

2 2 × 3 1 × 7 1 × 31 1 × 137 1 × 389 1

素因数の和:571
約数の個数: 96
約数和(自身を含む): 385781760
約数和(自身を除く): 247006788

約数列:
[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 62, 84, 93, 124, 137, 186, 217, 274, 372, 389, 411, 434, 548, 651, 778, 822, 868, 959, 1167, 1302, 1556, 1644, 1918, 2334, 2604, 2723, 2877, 3836, 4247, 4668, 5446, 5754, 8169, 8494, 10892, 11508, 12059, 12741, 16338, 16988, 24118, 25482, 29729, 32676, 36177, 48236, 50964, 53293, 59458, 72354, 84413, 89187, 106586, 118916, 144708, 159879, 168826, 178374, 213172, 253239, 319758, 337652, 356748, 373051, 506478, 639516, 746102, 1012956, 1119153, 1492204, 1652083, 2238306, 3304166, 4476612, 4956249, 6608332, 9912498, 11564581, 19824996, 23129162, 34693743, 46258324, 69387486, 138774972]

約数ペア:
[(1, 138774972), (2, 69387486), (3, 46258324), (4, 34693743), (6, 23129162), (7, 19824996), (12, 11564581), (14, 9912498), (21, 6608332), (28, 4956249), (31, 4476612), (42, 3304166), (62, 2238306), (84, 1652083), (93, 1492204), (124, 1119153), (137, 1012956), (186, 746102), (217, 639516), (274, 506478), (372, 373051), (389, 356748), (411, 337652), (434, 319758), (548, 253239), (651, 213172), (778, 178374), (822, 168826), (868, 159879), (959, 144708), (1167, 118916), (1302, 106586), (1556, 89187), (1644, 84413), (1918, 72354), (2334, 59458), (2604, 53293), (2723, 50964), (2877, 48236), (3836, 36177), (4247, 32676), (4668, 29729), (5446, 25482), (5754, 24118), (8169, 16988), (8494, 16338), (10892, 12741), (11508, 12059)]

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