68379428

素因数分解:

$2^2\times {\mathrm{13}}^3\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:325

約数の個数: 48

約数和(自身を含む): 134346240

約数和(自身を除く): 65966812

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 169, 251, 338, 403, 502, 676, 806, 1004, 1612, 2197, 3263, 4394, 5239, 6526, 7781, 8788, 10478, 13052, 15562, 20956, 31124, 42419, 68107, 84838, 101153, 136214, 169676, 202306, 272428, 404612, 551447, 1102894, 1314989, 2205788, 2629978, 5259956, 17094857, 34189714, 68379428]

約数ペア:

[(1, 68379428), (2, 34189714), (4, 17094857), (13, 5259956), (26, 2629978), (31, 2205788), (52, 1314989), (62, 1102894), (124, 551447), (169, 404612), (251, 272428), (338, 202306), (403, 169676), (502, 136214), (676, 101153), (806, 84838), (1004, 68107), (1612, 42419), (2197, 31124), (3263, 20956), (4394, 15562), (5239, 13052), (6526, 10478), (7781, 8788)]