About the Number

213505308

213505307 ← → 213505309

2進数表記:1100101110011101010100011100

漢数字表記:二億千三百五十万五千三百八

素因数分解:

2 2 × 3 4 × 29 1 × 31 1 × 733 1

素因数の和:809
約数の個数: 120
約数和(自身を含む): 596830080
約数和(自身を除く): 383324772

約数列:
[1, 2, 3, 4, 6, 9, 12, 18, 27, 29, 31, 36, 54, 58, 62, 81, 87, 93, 108, 116, 124, 162, 174, 186, 261, 279, 324, 348, 372, 522, 558, 733, 783, 837, 899, 1044, 1116, 1466, 1566, 1674, 1798, 2199, 2349, 2511, 2697, 2932, 3132, 3348, 3596, 4398, 4698, 5022, 5394, 6597, 8091, 8796, 9396, 10044, 10788, 13194, 16182, 19791, 21257, 22723, 24273, 26388, 32364, 39582, 42514, 45446, 48546, 59373, 63771, 68169, 72819, 79164, 85028, 90892, 97092, 118746, 127542, 136338, 145638, 191313, 204507, 237492, 255084, 272676, 291276, 382626, 409014, 573939, 613521, 658967, 765252, 818028, 1147878, 1227042, 1317934, 1721817, 1840563, 1976901, 2295756, 2454084, 2635868, 3443634, 3681126, 3953802, 5930703, 6887268, 7362252, 7907604, 11861406, 17792109, 23722812, 35584218, 53376327, 71168436, 106752654, 213505308]

約数ペア:
[(1, 213505308), (2, 106752654), (3, 71168436), (4, 53376327), (6, 35584218), (9, 23722812), (12, 17792109), (18, 11861406), (27, 7907604), (29, 7362252), (31, 6887268), (36, 5930703), (54, 3953802), (58, 3681126), (62, 3443634), (81, 2635868), (87, 2454084), (93, 2295756), (108, 1976901), (116, 1840563), (124, 1721817), (162, 1317934), (174, 1227042), (186, 1147878), (261, 818028), (279, 765252), (324, 658967), (348, 613521), (372, 573939), (522, 409014), (558, 382626), (733, 291276), (783, 272676), (837, 255084), (899, 237492), (1044, 204507), (1116, 191313), (1466, 145638), (1566, 136338), (1674, 127542), (1798, 118746), (2199, 97092), (2349, 90892), (2511, 85028), (2697, 79164), (2932, 72819), (3132, 68169), (3348, 63771), (3596, 59373), (4398, 48546), (4698, 45446), (5022, 42514), (5394, 39582), (6597, 32364), (8091, 26388), (8796, 24273), (9396, 22723), (10044, 21257), (10788, 19791), (13194, 16182)]

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