661036764

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{281}}^1$

素因数の和:475

約数の個数: 96

約数和(自身を含む): 1634282496

約数和(自身を除く): 973245732

約数列:

[1, 2, 3, 4, 6, 12, 43, 47, 86, 94, 97, 129, 141, 172, 188, 194, 258, 281, 282, 291, 388, 516, 562, 564, 582, 843, 1124, 1164, 1686, 2021, 3372, 4042, 4171, 4559, 6063, 8084, 8342, 9118, 12083, 12126, 12513, 13207, 13677, 16684, 18236, 24166, 24252, 25026, 26414, 27257, 27354, 36249, 39621, 48332, 50052, 52828, 54514, 54708, 72498, 79242, 81771, 109028, 144996, 158484, 163542, 196037, 327084, 392074, 567901, 588111, 784148, 1135802, 1172051, 1176222, 1281079, 1703703, 2271604, 2344102, 2352444, 2562158, 3407406, 3516153, 3843237, 4688204, 5124316, 6814812, 7032306, 7686474, 14064612, 15372948, 55086397, 110172794, 165259191, 220345588, 330518382, 661036764]

約数ペア:

[(1, 661036764), (2, 330518382), (3, 220345588), (4, 165259191), (6, 110172794), (12, 55086397), (43, 15372948), (47, 14064612), (86, 7686474), (94, 7032306), (97, 6814812), (129, 5124316), (141, 4688204), (172, 3843237), (188, 3516153), (194, 3407406), (258, 2562158), (281, 2352444), (282, 2344102), (291, 2271604), (388, 1703703), (516, 1281079), (562, 1176222), (564, 1172051), (582, 1135802), (843, 784148), (1124, 588111), (1164, 567901), (1686, 392074), (2021, 327084), (3372, 196037), (4042, 163542), (4171, 158484), (4559, 144996), (6063, 109028), (8084, 81771), (8342, 79242), (9118, 72498), (12083, 54708), (12126, 54514), (12513, 52828), (13207, 50052), (13677, 48332), (16684, 39621), (18236, 36249), (24166, 27354), (24252, 27257), (25026, 26414)]