199445935

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{1117}}^1$

素因数の和:1243

約数の個数: 32

約数和(自身を含む): 268212672

約数和(自身を除く): 68766737

約数列:

[1, 5, 13, 41, 65, 67, 205, 335, 533, 871, 1117, 2665, 2747, 4355, 5585, 13735, 14521, 35711, 45797, 72605, 74839, 178555, 228985, 374195, 595361, 972907, 2976805, 3068399, 4864535, 15341995, 39889187, 199445935]

約数ペア:

[(1, 199445935), (5, 39889187), (13, 15341995), (41, 4864535), (65, 3068399), (67, 2976805), (205, 972907), (335, 595361), (533, 374195), (871, 228985), (1117, 178555), (2665, 74839), (2747, 72605), (4355, 45797), (5585, 35711), (13735, 14521)]