217712916

素因数分解:

$2^2\times 3^2\times {\mathrm{449}}^1\times {\mathrm{13469}}^1$

素因数の和:13928

約数の個数: 36

約数和(自身を含む): 551596500

約数和(自身を除く): 333883584

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 449, 898, 1347, 1796, 2694, 4041, 5388, 8082, 13469, 16164, 26938, 40407, 53876, 80814, 121221, 161628, 242442, 484884, 6047581, 12095162, 18142743, 24190324, 36285486, 54428229, 72570972, 108856458, 217712916]

約数ペア:

[(1, 217712916), (2, 108856458), (3, 72570972), (4, 54428229), (6, 36285486), (9, 24190324), (12, 18142743), (18, 12095162), (36, 6047581), (449, 484884), (898, 242442), (1347, 161628), (1796, 121221), (2694, 80814), (4041, 53876), (5388, 40407), (8082, 26938), (13469, 16164)]