16850205

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{257}}^1$

素因数の和:346

約数の個数: 48

約数和(自身を含む): 30910464

約数和(自身を除く): 14060259

約数列:

[1, 3, 5, 9, 15, 31, 45, 47, 93, 141, 155, 235, 257, 279, 423, 465, 705, 771, 1285, 1395, 1457, 2115, 2313, 3855, 4371, 7285, 7967, 11565, 12079, 13113, 21855, 23901, 36237, 39835, 60395, 65565, 71703, 108711, 119505, 181185, 358515, 374449, 543555, 1123347, 1872245, 3370041, 5616735, 16850205]

約数ペア:

[(1, 16850205), (3, 5616735), (5, 3370041), (9, 1872245), (15, 1123347), (31, 543555), (45, 374449), (47, 358515), (93, 181185), (141, 119505), (155, 108711), (235, 71703), (257, 65565), (279, 60395), (423, 39835), (465, 36237), (705, 23901), (771, 21855), (1285, 13113), (1395, 12079), (1457, 11565), (2115, 7967), (2313, 7285), (3855, 4371)]