213621248

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{313}}^1$

素因数の和:405

約数の個数: 80

約数和(自身を含む): 452280576

約数和(自身を除く): 238659328

約数列:

[1, 2, 4, 8, 16, 31, 32, 43, 62, 64, 86, 124, 128, 172, 248, 256, 313, 344, 496, 512, 626, 688, 992, 1252, 1333, 1376, 1984, 2504, 2666, 2752, 3968, 5008, 5332, 5504, 7936, 9703, 10016, 10664, 11008, 13459, 15872, 19406, 20032, 21328, 22016, 26918, 38812, 40064, 42656, 53836, 77624, 80128, 85312, 107672, 155248, 160256, 170624, 215344, 310496, 341248, 417229, 430688, 620992, 682496, 834458, 861376, 1241984, 1668916, 1722752, 2483968, 3337832, 3445504, 4967936, 6675664, 6891008, 13351328, 26702656, 53405312, 106810624, 213621248]

約数ペア:

[(1, 213621248), (2, 106810624), (4, 53405312), (8, 26702656), (16, 13351328), (31, 6891008), (32, 6675664), (43, 4967936), (62, 3445504), (64, 3337832), (86, 2483968), (124, 1722752), (128, 1668916), (172, 1241984), (248, 861376), (256, 834458), (313, 682496), (344, 620992), (496, 430688), (512, 417229), (626, 341248), (688, 310496), (992, 215344), (1252, 170624), (1333, 160256), (1376, 155248), (1984, 107672), (2504, 85312), (2666, 80128), (2752, 77624), (3968, 53836), (5008, 42656), (5332, 40064), (5504, 38812), (7936, 26918), (9703, 22016), (10016, 21328), (10664, 20032), (11008, 19406), (13459, 15872)]