201278528

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:236

約数の個数: 112

約数和(自身を含む): 457321920

約数和(自身を除く): 256043392

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 43, 44, 61, 64, 86, 88, 109, 122, 172, 176, 218, 244, 344, 352, 436, 473, 488, 671, 688, 704, 872, 946, 976, 1199, 1342, 1376, 1744, 1892, 1952, 2398, 2623, 2684, 2752, 3488, 3784, 3904, 4687, 4796, 5246, 5368, 6649, 6976, 7568, 9374, 9592, 10492, 10736, 13298, 15136, 18748, 19184, 20984, 21472, 26596, 28853, 30272, 37496, 38368, 41968, 42944, 51557, 53192, 57706, 73139, 74992, 76736, 83936, 103114, 106384, 115412, 146278, 149984, 167872, 206228, 212768, 230824, 285907, 292556, 299968, 412456, 425536, 461648, 571814, 585112, 824912, 923296, 1143628, 1170224, 1649824, 1846592, 2287256, 2340448, 3144977, 3299648, 4574512, 4680896, 6289954, 9149024, 12579908, 18298048, 25159816, 50319632, 100639264, 201278528]

約数ペア:

[(1, 201278528), (2, 100639264), (4, 50319632), (8, 25159816), (11, 18298048), (16, 12579908), (22, 9149024), (32, 6289954), (43, 4680896), (44, 4574512), (61, 3299648), (64, 3144977), (86, 2340448), (88, 2287256), (109, 1846592), (122, 1649824), (172, 1170224), (176, 1143628), (218, 923296), (244, 824912), (344, 585112), (352, 571814), (436, 461648), (473, 425536), (488, 412456), (671, 299968), (688, 292556), (704, 285907), (872, 230824), (946, 212768), (976, 206228), (1199, 167872), (1342, 149984), (1376, 146278), (1744, 115412), (1892, 106384), (1952, 103114), (2398, 83936), (2623, 76736), (2684, 74992), (2752, 73139), (3488, 57706), (3784, 53192), (3904, 51557), (4687, 42944), (4796, 41968), (5246, 38368), (5368, 37496), (6649, 30272), (6976, 28853), (7568, 26596), (9374, 21472), (9592, 20984), (10492, 19184), (10736, 18748), (13298, 15136)]