308419956

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{661}}^1\times {\mathrm{997}}^1$

素因数の和:1681

約数の個数: 72

約数和(自身を含む): 841701224

約数和(自身を除く): 533281268

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 661, 997, 1322, 1983, 1994, 2644, 2991, 3966, 3988, 5949, 5982, 7932, 8593, 8973, 11898, 11964, 12961, 17186, 17946, 23796, 25779, 25922, 34372, 35892, 38883, 51558, 51844, 77337, 77766, 103116, 116649, 154674, 155532, 233298, 309348, 466596, 659017, 1318034, 1977051, 2636068, 3954102, 5931153, 7908204, 8567221, 11862306, 17134442, 23724612, 25701663, 34268884, 51403326, 77104989, 102806652, 154209978, 308419956]

約数ペア:

[(1, 308419956), (2, 154209978), (3, 102806652), (4, 77104989), (6, 51403326), (9, 34268884), (12, 25701663), (13, 23724612), (18, 17134442), (26, 11862306), (36, 8567221), (39, 7908204), (52, 5931153), (78, 3954102), (117, 2636068), (156, 1977051), (234, 1318034), (468, 659017), (661, 466596), (997, 309348), (1322, 233298), (1983, 155532), (1994, 154674), (2644, 116649), (2991, 103116), (3966, 77766), (3988, 77337), (5949, 51844), (5982, 51558), (7932, 38883), (8593, 35892), (8973, 34372), (11898, 25922), (11964, 25779), (12961, 23796), (17186, 17946)]