201481390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{17783}}^1$

素因数の和:17904

約数の個数: 32

約数和(自身を含む): 399499776

約数和(自身を除く): 198018386

約数列:

[1, 2, 5, 10, 11, 22, 55, 103, 110, 206, 515, 1030, 1133, 2266, 5665, 11330, 17783, 35566, 88915, 177830, 195613, 391226, 978065, 1831649, 1956130, 3663298, 9158245, 18316490, 20148139, 40296278, 100740695, 201481390]

約数ペア:

[(1, 201481390), (2, 100740695), (5, 40296278), (10, 20148139), (11, 18316490), (22, 9158245), (55, 3663298), (103, 1956130), (110, 1831649), (206, 978065), (515, 391226), (1030, 195613), (1133, 177830), (2266, 88915), (5665, 35566), (11330, 17783)]