161874016

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{2503}}^1$

素因数の和:2603

約数の個数: 48

約数和(自身を含む): 333172224

約数和(自身を除く): 171298208

約数列:

[1, 2, 4, 8, 16, 32, 43, 47, 86, 94, 172, 188, 344, 376, 688, 752, 1376, 1504, 2021, 2503, 4042, 5006, 8084, 10012, 16168, 20024, 32336, 40048, 64672, 80096, 107629, 117641, 215258, 235282, 430516, 470564, 861032, 941128, 1722064, 1882256, 3444128, 3764512, 5058563, 10117126, 20234252, 40468504, 80937008, 161874016]

約数ペア:

[(1, 161874016), (2, 80937008), (4, 40468504), (8, 20234252), (16, 10117126), (32, 5058563), (43, 3764512), (47, 3444128), (86, 1882256), (94, 1722064), (172, 941128), (188, 861032), (344, 470564), (376, 430516), (688, 235282), (752, 215258), (1376, 117641), (1504, 107629), (2021, 80096), (2503, 64672), (4042, 40048), (5006, 32336), (8084, 20024), (10012, 16168)]