1628990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{251}}^1$

素因数の和:328

約数の個数: 32

約数和(自身を含む): 3265920

約数和(自身を除く): 1636930

約数列:

[1, 2, 5, 10, 11, 22, 55, 59, 110, 118, 251, 295, 502, 590, 649, 1255, 1298, 2510, 2761, 3245, 5522, 6490, 13805, 14809, 27610, 29618, 74045, 148090, 162899, 325798, 814495, 1628990]

約数ペア:

[(1, 1628990), (2, 814495), (5, 325798), (10, 162899), (11, 148090), (22, 74045), (55, 29618), (59, 27610), (110, 14809), (118, 13805), (251, 6490), (295, 5522), (502, 3245), (590, 2761), (649, 2510), (1255, 1298)]