131728688

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{90473}}^1$

素因数の和:90501

約数の個数: 40

約数和(自身を含む): 314125728

約数和(自身を除く): 182397040

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 90473, 180946, 361892, 633311, 723784, 1176149, 1266622, 1447568, 2352298, 2533244, 4704596, 5066488, 8233043, 9409192, 10132976, 16466086, 18818384, 32932172, 65864344, 131728688]

約数ペア:

[(1, 131728688), (2, 65864344), (4, 32932172), (7, 18818384), (8, 16466086), (13, 10132976), (14, 9409192), (16, 8233043), (26, 5066488), (28, 4704596), (52, 2533244), (56, 2352298), (91, 1447568), (104, 1266622), (112, 1176149), (182, 723784), (208, 633311), (364, 361892), (728, 180946), (1456, 90473)]