81998952

素因数分解:

$2^3\times 3^1\times 7^4\times {\mathrm{1423}}^1$

素因数の和:1460

約数の個数: 80

約数和(自身を含む): 239317440

約数和(自身を除く): 157318488

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 84, 98, 147, 168, 196, 294, 343, 392, 588, 686, 1029, 1176, 1372, 1423, 2058, 2401, 2744, 2846, 4116, 4269, 4802, 5692, 7203, 8232, 8538, 9604, 9961, 11384, 14406, 17076, 19208, 19922, 28812, 29883, 34152, 39844, 57624, 59766, 69727, 79688, 119532, 139454, 209181, 239064, 278908, 418362, 488089, 557816, 836724, 976178, 1464267, 1673448, 1952356, 2928534, 3416623, 3904712, 5857068, 6833246, 10249869, 11714136, 13666492, 20499738, 27332984, 40999476, 81998952]

約数ペア:

[(1, 81998952), (2, 40999476), (3, 27332984), (4, 20499738), (6, 13666492), (7, 11714136), (8, 10249869), (12, 6833246), (14, 5857068), (21, 3904712), (24, 3416623), (28, 2928534), (42, 1952356), (49, 1673448), (56, 1464267), (84, 976178), (98, 836724), (147, 557816), (168, 488089), (196, 418362), (294, 278908), (343, 239064), (392, 209181), (588, 139454), (686, 119532), (1029, 79688), (1176, 69727), (1372, 59766), (1423, 57624), (2058, 39844), (2401, 34152), (2744, 29883), (2846, 28812), (4116, 19922), (4269, 19208), (4802, 17076), (5692, 14406), (7203, 11384), (8232, 9961), (8538, 9604)]