25554872

素因数分解:

$2^3\times 7^3\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:233

約数の個数: 64

約数和(自身を含む): 57120000

約数和(自身を除く): 31565128

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 67, 98, 134, 139, 196, 268, 278, 343, 392, 469, 536, 556, 686, 938, 973, 1112, 1372, 1876, 1946, 2744, 3283, 3752, 3892, 6566, 6811, 7784, 9313, 13132, 13622, 18626, 22981, 26264, 27244, 37252, 45962, 47677, 54488, 65191, 74504, 91924, 95354, 130382, 183848, 190708, 260764, 381416, 456337, 521528, 912674, 1825348, 3194359, 3650696, 6388718, 12777436, 25554872]

約数ペア:

[(1, 25554872), (2, 12777436), (4, 6388718), (7, 3650696), (8, 3194359), (14, 1825348), (28, 912674), (49, 521528), (56, 456337), (67, 381416), (98, 260764), (134, 190708), (139, 183848), (196, 130382), (268, 95354), (278, 91924), (343, 74504), (392, 65191), (469, 54488), (536, 47677), (556, 45962), (686, 37252), (938, 27244), (973, 26264), (1112, 22981), (1372, 18626), (1876, 13622), (1946, 13132), (2744, 9313), (3283, 7784), (3752, 6811), (3892, 6566)]