256857568

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{23539}}^1$

素因数の和:23591

約数の個数: 48

約数和(自身を含む): 569479680

約数和(自身を除く): 312622112

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 44, 62, 88, 124, 176, 248, 341, 352, 496, 682, 992, 1364, 2728, 5456, 10912, 23539, 47078, 94156, 188312, 258929, 376624, 517858, 729709, 753248, 1035716, 1459418, 2071432, 2918836, 4142864, 5837672, 8026799, 8285728, 11675344, 16053598, 23350688, 32107196, 64214392, 128428784, 256857568]

約数ペア:

[(1, 256857568), (2, 128428784), (4, 64214392), (8, 32107196), (11, 23350688), (16, 16053598), (22, 11675344), (31, 8285728), (32, 8026799), (44, 5837672), (62, 4142864), (88, 2918836), (124, 2071432), (176, 1459418), (248, 1035716), (341, 753248), (352, 729709), (496, 517858), (682, 376624), (992, 258929), (1364, 188312), (2728, 94156), (5456, 47078), (10912, 23539)]