25421508

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{281}}^1\times {\mathrm{359}}^1$

素因数の和:657

約数の個数: 72

約数和(自身を含む): 73906560

約数和(自身を除く): 48485052

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 281, 359, 562, 718, 843, 1077, 1124, 1436, 1686, 1967, 2154, 2513, 2529, 3231, 3372, 3934, 4308, 5026, 5058, 5901, 6462, 7539, 7868, 10052, 10116, 11802, 12924, 15078, 17703, 22617, 23604, 30156, 35406, 45234, 70812, 90468, 100879, 201758, 302637, 403516, 605274, 706153, 907911, 1210548, 1412306, 1815822, 2118459, 2824612, 3631644, 4236918, 6355377, 8473836, 12710754, 25421508]

約数ペア:

[(1, 25421508), (2, 12710754), (3, 8473836), (4, 6355377), (6, 4236918), (7, 3631644), (9, 2824612), (12, 2118459), (14, 1815822), (18, 1412306), (21, 1210548), (28, 907911), (36, 706153), (42, 605274), (63, 403516), (84, 302637), (126, 201758), (252, 100879), (281, 90468), (359, 70812), (562, 45234), (718, 35406), (843, 30156), (1077, 23604), (1124, 22617), (1436, 17703), (1686, 15078), (1967, 12924), (2154, 11802), (2513, 10116), (2529, 10052), (3231, 7868), (3372, 7539), (3934, 6462), (4308, 5901), (5026, 5058)]