219120769

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{463}}^1$

素因数の和:625

約数の個数: 32

約数和(自身を含む): 275014656

約数和(自身を除く): 55893887

約数列:

[1, 7, 17, 41, 97, 119, 287, 463, 679, 697, 1649, 3241, 3977, 4879, 7871, 11543, 18983, 27839, 44911, 55097, 67609, 132881, 314377, 322711, 473263, 763487, 1841351, 2258977, 5344409, 12889457, 31302967, 219120769]

約数ペア:

[(1, 219120769), (7, 31302967), (17, 12889457), (41, 5344409), (97, 2258977), (119, 1841351), (287, 763487), (463, 473263), (679, 322711), (697, 314377), (1649, 132881), (3241, 67609), (3977, 55097), (4879, 44911), (7871, 27839), (11543, 18983)]