1668140428

素因数分解:

$2^2\times {\mathrm{97}}^2\times {\mathrm{127}}^1\times {\mathrm{349}}^1$

素因数の和:674

約数の個数: 36

約数和(自身を含む): 2981395200

約数和(自身を除く): 1313254772

約数列:

[1, 2, 4, 97, 127, 194, 254, 349, 388, 508, 698, 1396, 9409, 12319, 18818, 24638, 33853, 37636, 44323, 49276, 67706, 88646, 135412, 177292, 1194943, 2389886, 3283741, 4299331, 4779772, 6567482, 8598662, 13134964, 17197324, 417035107, 834070214, 1668140428]

約数ペア:

[(1, 1668140428), (2, 834070214), (4, 417035107), (97, 17197324), (127, 13134964), (194, 8598662), (254, 6567482), (349, 4779772), (388, 4299331), (508, 3283741), (698, 2389886), (1396, 1194943), (9409, 177292), (12319, 135412), (18818, 88646), (24638, 67706), (33853, 49276), (37636, 44323)]