1990201736

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{313}}^1\times {\mathrm{25639}}^1$

素因数の和:25989

約数の個数: 32

約数和(自身を含む): 3864460800

約数和(自身を除く): 1874259064

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 313, 626, 1252, 2504, 9703, 19406, 25639, 38812, 51278, 77624, 102556, 205112, 794809, 1589618, 3179236, 6358472, 8025007, 16050014, 32100028, 64200056, 248775217, 497550434, 995100868, 1990201736]

約数ペア:

[(1, 1990201736), (2, 995100868), (4, 497550434), (8, 248775217), (31, 64200056), (62, 32100028), (124, 16050014), (248, 8025007), (313, 6358472), (626, 3179236), (1252, 1589618), (2504, 794809), (9703, 205112), (19406, 102556), (25639, 77624), (38812, 51278)]