About the Number

61328988

61328987 ← → 61328989

2進数表記:11101001111100111001011100

漢数字表記:六千百三十二万八千九百八十八

素因数分解:

2 2 × 3 4 × 7 2 × 3863 1

素因数の和:3893
約数の個数: 90
約数和(自身を含む): 186550056
約数和(自身を除く): 125221068

約数列:
[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 81, 84, 98, 108, 126, 147, 162, 189, 196, 252, 294, 324, 378, 441, 567, 588, 756, 882, 1134, 1323, 1764, 2268, 2646, 3863, 3969, 5292, 7726, 7938, 11589, 15452, 15876, 23178, 27041, 34767, 46356, 54082, 69534, 81123, 104301, 108164, 139068, 162246, 189287, 208602, 243369, 312903, 324492, 378574, 417204, 486738, 567861, 625806, 730107, 757148, 973476, 1135722, 1251612, 1460214, 1703583, 2190321, 2271444, 2920428, 3407166, 4380642, 5110749, 6814332, 8761284, 10221498, 15332247, 20442996, 30664494, 61328988]

約数ペア:
[(1, 61328988), (2, 30664494), (3, 20442996), (4, 15332247), (6, 10221498), (7, 8761284), (9, 6814332), (12, 5110749), (14, 4380642), (18, 3407166), (21, 2920428), (27, 2271444), (28, 2190321), (36, 1703583), (42, 1460214), (49, 1251612), (54, 1135722), (63, 973476), (81, 757148), (84, 730107), (98, 625806), (108, 567861), (126, 486738), (147, 417204), (162, 378574), (189, 324492), (196, 312903), (252, 243369), (294, 208602), (324, 189287), (378, 162246), (441, 139068), (567, 108164), (588, 104301), (756, 81123), (882, 69534), (1134, 54082), (1323, 46356), (1764, 34767), (2268, 27041), (2646, 23178), (3863, 15876), (3969, 15452), (5292, 11589), (7726, 7938)]

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