28727886

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{739}}^1$

素因数の和:805

約数の個数: 64

約数和(自身を含む): 68198400

約数和(自身を除く): 39470514

約数列:

[1, 2, 3, 6, 11, 19, 22, 31, 33, 38, 57, 62, 66, 93, 114, 186, 209, 341, 418, 589, 627, 682, 739, 1023, 1178, 1254, 1478, 1767, 2046, 2217, 3534, 4434, 6479, 8129, 12958, 14041, 16258, 19437, 22909, 24387, 28082, 38874, 42123, 45818, 48774, 68727, 84246, 137454, 154451, 251999, 308902, 435271, 463353, 503998, 755997, 870542, 926706, 1305813, 1511994, 2611626, 4787981, 9575962, 14363943, 28727886]

約数ペア:

[(1, 28727886), (2, 14363943), (3, 9575962), (6, 4787981), (11, 2611626), (19, 1511994), (22, 1305813), (31, 926706), (33, 870542), (38, 755997), (57, 503998), (62, 463353), (66, 435271), (93, 308902), (114, 251999), (186, 154451), (209, 137454), (341, 84246), (418, 68727), (589, 48774), (627, 45818), (682, 42123), (739, 38874), (1023, 28082), (1178, 24387), (1254, 22909), (1478, 19437), (1767, 16258), (2046, 14041), (2217, 12958), (3534, 8129), (4434, 6479)]