102389905

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1$

素因数の和:345

約数の個数: 32

約数和(自身を含む): 132689664

約数和(自身を除く): 30299759

約数列:

[1, 5, 23, 53, 107, 115, 157, 265, 535, 785, 1219, 2461, 3611, 5671, 6095, 8321, 12305, 16799, 18055, 28355, 41605, 83995, 130433, 191383, 386377, 652165, 890347, 956915, 1931885, 4451735, 20477981, 102389905]

約数ペア:

[(1, 102389905), (5, 20477981), (23, 4451735), (53, 1931885), (107, 956915), (115, 890347), (157, 652165), (265, 386377), (535, 191383), (785, 130433), (1219, 83995), (2461, 41605), (3611, 28355), (5671, 18055), (6095, 16799), (8321, 12305)]