25553528

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3191}}^1$

素因数の和:3228

約数の個数: 64

約数和(自身を含む): 64350720

約数和(自身を除く): 38797192

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 143, 154, 182, 286, 308, 364, 572, 616, 728, 1001, 1144, 2002, 3191, 4004, 6382, 8008, 12764, 22337, 25528, 35101, 41483, 44674, 70202, 82966, 89348, 140404, 165932, 178696, 245707, 280808, 290381, 331864, 456313, 491414, 580762, 912626, 982828, 1161524, 1825252, 1965656, 2323048, 3194191, 3650504, 6388382, 12776764, 25553528]

約数ペア:

[(1, 25553528), (2, 12776764), (4, 6388382), (7, 3650504), (8, 3194191), (11, 2323048), (13, 1965656), (14, 1825252), (22, 1161524), (26, 982828), (28, 912626), (44, 580762), (52, 491414), (56, 456313), (77, 331864), (88, 290381), (91, 280808), (104, 245707), (143, 178696), (154, 165932), (182, 140404), (286, 89348), (308, 82966), (364, 70202), (572, 44674), (616, 41483), (728, 35101), (1001, 25528), (1144, 22337), (2002, 12764), (3191, 8008), (4004, 6382)]