87178993

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:277

約数の個数: 32

約数和(自身を含む): 104186880

約数和(自身を除く): 17007887

約数列:

[1, 11, 23, 37, 67, 139, 253, 407, 737, 851, 1529, 1541, 2479, 3197, 5143, 9313, 9361, 16951, 27269, 35167, 56573, 57017, 102443, 118289, 214199, 344581, 627187, 1301179, 2356189, 3790391, 7925363, 87178993]

約数ペア:

[(1, 87178993), (11, 7925363), (23, 3790391), (37, 2356189), (67, 1301179), (139, 627187), (253, 344581), (407, 214199), (737, 118289), (851, 102443), (1529, 57017), (1541, 56573), (2479, 35167), (3197, 27269), (5143, 16951), (9313, 9361)]