165467990

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{487}}^1\times {\mathrm{557}}^1$

素因数の和:1112

約数の個数: 32

約数和(自身を含む): 303891264

約数和(自身を除く): 138423274

約数列:

[1, 2, 5, 10, 61, 122, 305, 487, 557, 610, 974, 1114, 2435, 2785, 4870, 5570, 29707, 33977, 59414, 67954, 148535, 169885, 271259, 297070, 339770, 542518, 1356295, 2712590, 16546799, 33093598, 82733995, 165467990]

約数ペア:

[(1, 165467990), (2, 82733995), (5, 33093598), (10, 16546799), (61, 2712590), (122, 1356295), (305, 542518), (487, 339770), (557, 297070), (610, 271259), (974, 169885), (1114, 148535), (2435, 67954), (2785, 59414), (4870, 33977), (5570, 29707)]