339901928

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{421}}^1\times {\mathrm{2347}}^1$

素因数の和:2817

約数の個数: 32

約数和(自身を含む): 653964960

約数和(自身を除く): 314063032

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 421, 842, 1684, 2347, 3368, 4694, 9388, 18103, 18776, 36206, 72412, 100921, 144824, 201842, 403684, 807368, 988087, 1976174, 3952348, 7904696, 42487741, 84975482, 169950964, 339901928]

約数ペア:

[(1, 339901928), (2, 169950964), (4, 84975482), (8, 42487741), (43, 7904696), (86, 3952348), (172, 1976174), (344, 988087), (421, 807368), (842, 403684), (1684, 201842), (2347, 144824), (3368, 100921), (4694, 72412), (9388, 36206), (18103, 18776)]