211327456

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{1409}}^1$

素因数の和:1571

約数の個数: 48

約数和(自身を含む): 429937200

約数和(自身を除く): 218609744

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 109, 172, 218, 344, 436, 688, 872, 1376, 1409, 1744, 2818, 3488, 4687, 5636, 9374, 11272, 18748, 22544, 37496, 45088, 60587, 74992, 121174, 149984, 153581, 242348, 307162, 484696, 614324, 969392, 1228648, 1938784, 2457296, 4914592, 6603983, 13207966, 26415932, 52831864, 105663728, 211327456]

約数ペア:

[(1, 211327456), (2, 105663728), (4, 52831864), (8, 26415932), (16, 13207966), (32, 6603983), (43, 4914592), (86, 2457296), (109, 1938784), (172, 1228648), (218, 969392), (344, 614324), (436, 484696), (688, 307162), (872, 242348), (1376, 153581), (1409, 149984), (1744, 121174), (2818, 74992), (3488, 60587), (4687, 45088), (5636, 37496), (9374, 22544), (11272, 18748)]