201991130

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{30103}}^1$

素因数の和:30182

約数の個数: 32

約数和(自身を含む): 403152768

約数和(自身を除く): 201161638

約数列:

[1, 2, 5, 10, 11, 22, 55, 61, 110, 122, 305, 610, 671, 1342, 3355, 6710, 30103, 60206, 150515, 301030, 331133, 662266, 1655665, 1836283, 3311330, 3672566, 9181415, 18362830, 20199113, 40398226, 100995565, 201991130]

約数ペア:

[(1, 201991130), (2, 100995565), (5, 40398226), (10, 20199113), (11, 18362830), (22, 9181415), (55, 3672566), (61, 3311330), (110, 1836283), (122, 1655665), (305, 662266), (610, 331133), (671, 301030), (1342, 150515), (3355, 60206), (6710, 30103)]