128732212

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{21187}}^1$

素因数の和:21236

約数の個数: 36

約数和(自身を含む): 270528384

約数和(自身を除く): 141796172

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 98, 124, 196, 217, 434, 868, 1519, 3038, 6076, 21187, 42374, 84748, 148309, 296618, 593236, 656797, 1038163, 1313594, 2076326, 2627188, 4152652, 4597579, 9195158, 18390316, 32183053, 64366106, 128732212]

約数ペア:

[(1, 128732212), (2, 64366106), (4, 32183053), (7, 18390316), (14, 9195158), (28, 4597579), (31, 4152652), (49, 2627188), (62, 2076326), (98, 1313594), (124, 1038163), (196, 656797), (217, 593236), (434, 296618), (868, 148309), (1519, 84748), (3038, 42374), (6076, 21187)]