179988172

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{70639}}^1$

素因数の和:70670

約数の個数: 36

約数和(自身を含む): 394595040

約数和(自身を除く): 214606868

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 364, 637, 1274, 2548, 70639, 141278, 282556, 494473, 918307, 988946, 1836614, 1977892, 3461311, 3673228, 6428149, 6922622, 12856298, 13845244, 25712596, 44997043, 89994086, 179988172]

約数ペア:

[(1, 179988172), (2, 89994086), (4, 44997043), (7, 25712596), (13, 13845244), (14, 12856298), (26, 6922622), (28, 6428149), (49, 3673228), (52, 3461311), (91, 1977892), (98, 1836614), (182, 988946), (196, 918307), (364, 494473), (637, 282556), (1274, 141278), (2548, 70639)]