195840425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{257}}^1$

素因数の和:458

約数の個数: 48

約数和(自身を含む): 283321152

約数和(自身を除く): 87480727

約数列:

[1, 5, 11, 17, 25, 55, 85, 163, 187, 257, 275, 425, 815, 935, 1285, 1793, 2771, 2827, 4075, 4369, 4675, 6425, 8965, 13855, 14135, 21845, 30481, 41891, 44825, 48059, 69275, 70675, 109225, 152405, 209455, 240295, 460801, 712147, 762025, 1047275, 1201475, 2304005, 3560735, 7833617, 11520025, 17803675, 39168085, 195840425]

約数ペア:

[(1, 195840425), (5, 39168085), (11, 17803675), (17, 11520025), (25, 7833617), (55, 3560735), (85, 2304005), (163, 1201475), (187, 1047275), (257, 762025), (275, 712147), (425, 460801), (815, 240295), (935, 209455), (1285, 152405), (1793, 109225), (2771, 70675), (2827, 69275), (4075, 48059), (4369, 44825), (4675, 41891), (6425, 30481), (8965, 21845), (13855, 14135)]