664302688

素因数分解:

$2^5\times 7^1\times {\mathrm{61}}^2\times {\mathrm{797}}^1$

素因数の和:936

約数の個数: 72

約数和(自身を含む): 1521492336

約数和(自身を除く): 857189648

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 61, 112, 122, 224, 244, 427, 488, 797, 854, 976, 1594, 1708, 1952, 3188, 3416, 3721, 5579, 6376, 6832, 7442, 11158, 12752, 13664, 14884, 22316, 25504, 26047, 29768, 44632, 48617, 52094, 59536, 89264, 97234, 104188, 119072, 178528, 194468, 208376, 340319, 388936, 416752, 680638, 777872, 833504, 1361276, 1555744, 2722552, 2965637, 5445104, 5931274, 10890208, 11862548, 20759459, 23725096, 41518918, 47450192, 83037836, 94900384, 166075672, 332151344, 664302688]

約数ペア:

[(1, 664302688), (2, 332151344), (4, 166075672), (7, 94900384), (8, 83037836), (14, 47450192), (16, 41518918), (28, 23725096), (32, 20759459), (56, 11862548), (61, 10890208), (112, 5931274), (122, 5445104), (224, 2965637), (244, 2722552), (427, 1555744), (488, 1361276), (797, 833504), (854, 777872), (976, 680638), (1594, 416752), (1708, 388936), (1952, 340319), (3188, 208376), (3416, 194468), (3721, 178528), (5579, 119072), (6376, 104188), (6832, 97234), (7442, 89264), (11158, 59536), (12752, 52094), (13664, 48617), (14884, 44632), (22316, 29768), (25504, 26047)]