156978172

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{97381}}^1$

素因数の和:97429

約数の個数: 24

約数和(自身を含む): 305389952

約数和(自身を除く): 148411780

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 97381, 194762, 389524, 1265953, 2531906, 3018811, 5063812, 6037622, 12075244, 39244543, 78489086, 156978172]

約数ペア:

[(1, 156978172), (2, 78489086), (4, 39244543), (13, 12075244), (26, 6037622), (31, 5063812), (52, 3018811), (62, 2531906), (124, 1265953), (403, 389524), (806, 194762), (1612, 97381)]