28383625

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1$

素因数の和:107

約数の個数: 48

約数和(自身を含む): 40654224

約数和(自身を除く): 12270599

約数列:

[1, 5, 17, 19, 25, 37, 85, 95, 125, 185, 323, 361, 425, 475, 629, 703, 925, 1615, 1805, 2125, 2375, 3145, 3515, 4625, 6137, 8075, 9025, 11951, 13357, 15725, 17575, 30685, 40375, 45125, 59755, 66785, 78625, 87875, 153425, 227069, 298775, 333925, 767125, 1135345, 1493875, 1669625, 5676725, 28383625]

約数ペア:

[(1, 28383625), (5, 5676725), (17, 1669625), (19, 1493875), (25, 1135345), (37, 767125), (85, 333925), (95, 298775), (125, 227069), (185, 153425), (323, 87875), (361, 78625), (425, 66785), (475, 59755), (629, 45125), (703, 40375), (925, 30685), (1615, 17575), (1805, 15725), (2125, 13357), (2375, 11951), (3145, 9025), (3515, 8075), (4625, 6137)]