2191910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{181}}^1$

素因数の和:368

約数の個数: 32

約数和(自身を含む): 4560192

約数和(自身を除く): 2368282

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 173, 181, 346, 362, 865, 905, 1211, 1267, 1730, 1810, 2422, 2534, 6055, 6335, 12110, 12670, 31313, 62626, 156565, 219191, 313130, 438382, 1095955, 2191910]

約数ペア:

[(1, 2191910), (2, 1095955), (5, 438382), (7, 313130), (10, 219191), (14, 156565), (35, 62626), (70, 31313), (173, 12670), (181, 12110), (346, 6335), (362, 6055), (865, 2534), (905, 2422), (1211, 1810), (1267, 1730)]