129989132

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{1973}}^1$

素因数の和:2178

約数の個数: 48

約数和(自身を含む): 281666112

約数和(自身を除く): 151676980

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 181, 182, 362, 364, 724, 1267, 1973, 2353, 2534, 3946, 4706, 5068, 7892, 9412, 13811, 16471, 25649, 27622, 32942, 51298, 55244, 65884, 102596, 179543, 357113, 359086, 714226, 718172, 1428452, 2499791, 4642469, 4999582, 9284938, 9999164, 18569876, 32497283, 64994566, 129989132]

約数ペア:

[(1, 129989132), (2, 64994566), (4, 32497283), (7, 18569876), (13, 9999164), (14, 9284938), (26, 4999582), (28, 4642469), (52, 2499791), (91, 1428452), (181, 718172), (182, 714226), (362, 359086), (364, 357113), (724, 179543), (1267, 102596), (1973, 65884), (2353, 55244), (2534, 51298), (3946, 32942), (4706, 27622), (5068, 25649), (7892, 16471), (9412, 13811)]