16991428

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{839}}^1$

素因数の和:987

約数の個数: 24

約数和(自身を含む): 30623040

約数和(自身を除く): 13631612

約数列:

[1, 2, 4, 61, 83, 122, 166, 244, 332, 839, 1678, 3356, 5063, 10126, 20252, 51179, 69637, 102358, 139274, 204716, 278548, 4247857, 8495714, 16991428]

約数ペア:

[(1, 16991428), (2, 8495714), (4, 4247857), (61, 278548), (83, 204716), (122, 139274), (166, 102358), (244, 69637), (332, 51179), (839, 20252), (1678, 10126), (3356, 5063)]