1999262188

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{251}}^1\times {\mathrm{2351}}^1$

素因数の和:2635

約数の個数: 72

約数和(自身を含む): 4414459392

約数和(自身を除く): 2415197204

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 121, 154, 242, 251, 308, 484, 502, 847, 1004, 1694, 1757, 2351, 2761, 3388, 3514, 4702, 5522, 7028, 9404, 11044, 16457, 19327, 25861, 30371, 32914, 38654, 51722, 60742, 65828, 77308, 103444, 121484, 181027, 212597, 284471, 362054, 425194, 568942, 590101, 724108, 850388, 1137884, 1180202, 1991297, 2360404, 3982594, 4130707, 6491111, 7965188, 8261414, 12982222, 16522828, 25964444, 45437777, 71402221, 90875554, 142804442, 181751108, 285608884, 499815547, 999631094, 1999262188]

約数ペア:

[(1, 1999262188), (2, 999631094), (4, 499815547), (7, 285608884), (11, 181751108), (14, 142804442), (22, 90875554), (28, 71402221), (44, 45437777), (77, 25964444), (121, 16522828), (154, 12982222), (242, 8261414), (251, 7965188), (308, 6491111), (484, 4130707), (502, 3982594), (847, 2360404), (1004, 1991297), (1694, 1180202), (1757, 1137884), (2351, 850388), (2761, 724108), (3388, 590101), (3514, 568942), (4702, 425194), (5522, 362054), (7028, 284471), (9404, 212597), (11044, 181027), (16457, 121484), (19327, 103444), (25861, 77308), (30371, 65828), (32914, 60742), (38654, 51722)]