619640065

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{2659}}^1$

素因数の和:2917

約数の個数: 32

約数和(自身を含む): 858009600

約数和(自身を除く): 238369535

約数列:

[1, 5, 11, 19, 55, 95, 209, 223, 1045, 1115, 2453, 2659, 4237, 12265, 13295, 21185, 29249, 46607, 50521, 146245, 233035, 252605, 555731, 592957, 2778655, 2964785, 6522527, 11266183, 32612635, 56330915, 123928013, 619640065]

約数ペア:

[(1, 619640065), (5, 123928013), (11, 56330915), (19, 32612635), (55, 11266183), (95, 6522527), (209, 2964785), (223, 2778655), (1045, 592957), (1115, 555731), (2453, 252605), (2659, 233035), (4237, 146245), (12265, 50521), (13295, 46607), (21185, 29249)]