1321628

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{613}}^1$

素因数の和:642

約数の個数: 36

約数和(自身を含む): 2939832

約数和(自身を除く): 1618204

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 308, 539, 613, 1078, 1226, 2156, 2452, 4291, 6743, 8582, 13486, 17164, 26972, 30037, 47201, 60074, 94402, 120148, 188804, 330407, 660814, 1321628]

約数ペア:

[(1, 1321628), (2, 660814), (4, 330407), (7, 188804), (11, 120148), (14, 94402), (22, 60074), (28, 47201), (44, 30037), (49, 26972), (77, 17164), (98, 13486), (154, 8582), (196, 6743), (308, 4291), (539, 2452), (613, 2156), (1078, 1226)]