28584905

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:269

約数の個数: 32

約数和(自身を含む): 38167200

約数和(自身を除く): 9582295

約数列:

[1, 5, 17, 37, 61, 85, 149, 185, 305, 629, 745, 1037, 2257, 2533, 3145, 5185, 5513, 9089, 11285, 12665, 27565, 38369, 45445, 93721, 154513, 191845, 336293, 468605, 772565, 1681465, 5716981, 28584905]

約数ペア:

[(1, 28584905), (5, 5716981), (17, 1681465), (37, 772565), (61, 468605), (85, 336293), (149, 191845), (185, 154513), (305, 93721), (629, 45445), (745, 38369), (1037, 27565), (2257, 12665), (2533, 11285), (3145, 9089), (5185, 5513)]