213431456

素因数分解:

$2^5\times 7^2\times {\mathrm{79}}^1\times {\mathrm{1723}}^1$

素因数の和:1826

約数の個数: 72

約数和(自身を含む): 495270720

約数和(自身を除く): 281839264

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 79, 98, 112, 158, 196, 224, 316, 392, 553, 632, 784, 1106, 1264, 1568, 1723, 2212, 2528, 3446, 3871, 4424, 6892, 7742, 8848, 12061, 13784, 15484, 17696, 24122, 27568, 30968, 48244, 55136, 61936, 84427, 96488, 123872, 136117, 168854, 192976, 272234, 337708, 385952, 544468, 675416, 952819, 1088936, 1350832, 1905638, 2177872, 2701664, 3811276, 4355744, 6669733, 7622552, 13339466, 15245104, 26678932, 30490208, 53357864, 106715728, 213431456]

約数ペア:

[(1, 213431456), (2, 106715728), (4, 53357864), (7, 30490208), (8, 26678932), (14, 15245104), (16, 13339466), (28, 7622552), (32, 6669733), (49, 4355744), (56, 3811276), (79, 2701664), (98, 2177872), (112, 1905638), (158, 1350832), (196, 1088936), (224, 952819), (316, 675416), (392, 544468), (553, 385952), (632, 337708), (784, 272234), (1106, 192976), (1264, 168854), (1568, 136117), (1723, 123872), (2212, 96488), (2528, 84427), (3446, 61936), (3871, 55136), (4424, 48244), (6892, 30968), (7742, 27568), (8848, 24122), (12061, 17696), (13784, 15484)]