25491145

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1$

素因数の和:225

約数の個数: 32

約数和(自身を含む): 33592320

約数和(自身を除く): 8101175

約数列:

[1, 5, 29, 31, 53, 107, 145, 155, 265, 535, 899, 1537, 1643, 3103, 3317, 4495, 5671, 7685, 8215, 15515, 16585, 28355, 47647, 96193, 164459, 175801, 238235, 480965, 822295, 879005, 5098229, 25491145]

約数ペア:

[(1, 25491145), (5, 5098229), (29, 879005), (31, 822295), (53, 480965), (107, 238235), (145, 175801), (155, 164459), (265, 96193), (535, 47647), (899, 28355), (1537, 16585), (1643, 15515), (3103, 8215), (3317, 7685), (4495, 5671)]