81686696

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{112207}}^1$

素因数の和:112233

約数の個数: 32

約数和(自身を含む): 188509440

約数和(自身を除く): 106822744

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 112207, 224414, 448828, 785449, 897656, 1458691, 1570898, 2917382, 3141796, 5834764, 6283592, 10210837, 11669528, 20421674, 40843348, 81686696]

約数ペア:

[(1, 81686696), (2, 40843348), (4, 20421674), (7, 11669528), (8, 10210837), (13, 6283592), (14, 5834764), (26, 3141796), (28, 2917382), (52, 1570898), (56, 1458691), (91, 897656), (104, 785449), (182, 448828), (364, 224414), (728, 112207)]