1221000222

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{9839}}^1$

素因数の和:9937

約数の個数: 64

約数和(自身を含む): 2764016640

約数和(自身を除く): 1543016418

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 43, 74, 78, 86, 111, 129, 222, 258, 481, 559, 962, 1118, 1443, 1591, 1677, 2886, 3182, 3354, 4773, 9546, 9839, 19678, 20683, 29517, 41366, 59034, 62049, 124098, 127907, 255814, 364043, 383721, 423077, 728086, 767442, 846154, 1092129, 1269231, 2184258, 2538462, 4732559, 5500001, 9465118, 11000002, 14197677, 15653849, 16500003, 28395354, 31307698, 33000006, 46961547, 93923094, 203500037, 407000074, 610500111, 1221000222]

約数ペア:

[(1, 1221000222), (2, 610500111), (3, 407000074), (6, 203500037), (13, 93923094), (26, 46961547), (37, 33000006), (39, 31307698), (43, 28395354), (74, 16500003), (78, 15653849), (86, 14197677), (111, 11000002), (129, 9465118), (222, 5500001), (258, 4732559), (481, 2538462), (559, 2184258), (962, 1269231), (1118, 1092129), (1443, 846154), (1591, 767442), (1677, 728086), (2886, 423077), (3182, 383721), (3354, 364043), (4773, 255814), (9546, 127907), (9839, 124098), (19678, 62049), (20683, 59034), (29517, 41366)]