2661391168

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{28541}}^1$

素因数の和:28631

約数の個数: 56

約数和(自身を含む): 5567745024

約数和(自身を除く): 2906353856

約数列:

[1, 2, 4, 8, 16, 31, 32, 47, 62, 64, 94, 124, 188, 248, 376, 496, 752, 992, 1457, 1504, 1984, 2914, 3008, 5828, 11656, 23312, 28541, 46624, 57082, 93248, 114164, 228328, 456656, 884771, 913312, 1341427, 1769542, 1826624, 2682854, 3539084, 5365708, 7078168, 10731416, 14156336, 21462832, 28312672, 41584237, 42925664, 56625344, 83168474, 85851328, 166336948, 332673896, 665347792, 1330695584, 2661391168]

約数ペア:

[(1, 2661391168), (2, 1330695584), (4, 665347792), (8, 332673896), (16, 166336948), (31, 85851328), (32, 83168474), (47, 56625344), (62, 42925664), (64, 41584237), (94, 28312672), (124, 21462832), (188, 14156336), (248, 10731416), (376, 7078168), (496, 5365708), (752, 3539084), (992, 2682854), (1457, 1826624), (1504, 1769542), (1984, 1341427), (2914, 913312), (3008, 884771), (5828, 456656), (11656, 228328), (23312, 114164), (28541, 93248), (46624, 57082)]