201721980088

素因数分解:

$2^3\times {\mathrm{31}}^2\times {\mathrm{53}}^1\times {\mathrm{495067}}^1$

素因数の和:495188

約数の個数: 48

約数和(自身を含む): 398198044440

約数和(自身を除く): 196476064352

約数列:

[1, 2, 4, 8, 31, 53, 62, 106, 124, 212, 248, 424, 961, 1643, 1922, 3286, 3844, 6572, 7688, 13144, 50933, 101866, 203732, 407464, 495067, 990134, 1980268, 3960536, 15347077, 26238551, 30694154, 52477102, 61388308, 104954204, 122776616, 209908408, 475759387, 813395081, 951518774, 1626790162, 1903037548, 3253580324, 3806075096, 6507160648, 25215247511, 50430495022, 100860990044, 201721980088]

約数ペア:

[(1, 201721980088), (2, 100860990044), (4, 50430495022), (8, 25215247511), (31, 6507160648), (53, 3806075096), (62, 3253580324), (106, 1903037548), (124, 1626790162), (212, 951518774), (248, 813395081), (424, 475759387), (961, 209908408), (1643, 122776616), (1922, 104954204), (3286, 61388308), (3844, 52477102), (6572, 30694154), (7688, 26238551), (13144, 15347077), (50933, 3960536), (101866, 1980268), (203732, 990134), (407464, 495067)]