249243876

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{641}}^1\times {\mathrm{1543}}^1$

素因数の和:2201

約数の個数: 72

約数和(自身を含む): 721628544

約数和(自身を除く): 472384668

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 641, 1282, 1543, 1923, 2564, 3086, 3846, 4487, 4629, 5769, 6172, 7692, 8974, 9258, 10801, 11538, 13461, 13887, 17948, 18516, 21602, 23076, 26922, 27774, 32403, 40383, 43204, 53844, 55548, 64806, 80766, 97209, 129612, 161532, 194418, 388836, 989063, 1978126, 2967189, 3956252, 5934378, 6923441, 8901567, 11868756, 13846882, 17803134, 20770323, 27693764, 35606268, 41540646, 62310969, 83081292, 124621938, 249243876]

約数ペア:

[(1, 249243876), (2, 124621938), (3, 83081292), (4, 62310969), (6, 41540646), (7, 35606268), (9, 27693764), (12, 20770323), (14, 17803134), (18, 13846882), (21, 11868756), (28, 8901567), (36, 6923441), (42, 5934378), (63, 3956252), (84, 2967189), (126, 1978126), (252, 989063), (641, 388836), (1282, 194418), (1543, 161532), (1923, 129612), (2564, 97209), (3086, 80766), (3846, 64806), (4487, 55548), (4629, 53844), (5769, 43204), (6172, 40383), (7692, 32403), (8974, 27774), (9258, 26922), (10801, 23076), (11538, 21602), (13461, 18516), (13887, 17948)]