217927332

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{509}}^1\times {\mathrm{1699}}^1$

素因数の和:2225

約数の個数: 72

約数和(自身を含む): 631176000

約数和(自身を除く): 413248668

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 509, 1018, 1527, 1699, 2036, 3054, 3398, 3563, 4581, 5097, 6108, 6796, 7126, 9162, 10194, 10689, 11893, 14252, 15291, 18324, 20388, 21378, 23786, 30582, 32067, 35679, 42756, 47572, 61164, 64134, 71358, 107037, 128268, 142716, 214074, 428148, 864791, 1729582, 2594373, 3459164, 5188746, 6053537, 7783119, 10377492, 12107074, 15566238, 18160611, 24214148, 31132476, 36321222, 54481833, 72642444, 108963666, 217927332]

約数ペア:

[(1, 217927332), (2, 108963666), (3, 72642444), (4, 54481833), (6, 36321222), (7, 31132476), (9, 24214148), (12, 18160611), (14, 15566238), (18, 12107074), (21, 10377492), (28, 7783119), (36, 6053537), (42, 5188746), (63, 3459164), (84, 2594373), (126, 1729582), (252, 864791), (509, 428148), (1018, 214074), (1527, 142716), (1699, 128268), (2036, 107037), (3054, 71358), (3398, 64134), (3563, 61164), (4581, 47572), (5097, 42756), (6108, 35679), (6796, 32067), (7126, 30582), (9162, 23786), (10194, 21378), (10689, 20388), (11893, 18324), (14252, 15291)]