65590990

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{223}}^1\times {\mathrm{439}}^1$

素因数の和:736

約数の個数: 32

約数和(自身を含む): 120637440

約数和(自身を除く): 55046450

約数列:

[1, 2, 5, 10, 67, 134, 223, 335, 439, 446, 670, 878, 1115, 2195, 2230, 4390, 14941, 29413, 29882, 58826, 74705, 97897, 147065, 149410, 195794, 294130, 489485, 978970, 6559099, 13118198, 32795495, 65590990]

約数ペア:

[(1, 65590990), (2, 32795495), (5, 13118198), (10, 6559099), (67, 978970), (134, 489485), (223, 294130), (335, 195794), (439, 149410), (446, 147065), (670, 97897), (878, 74705), (1115, 58826), (2195, 29882), (2230, 29413), (4390, 14941)]