201253208

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1279}}^1$

素因数の和:1404

約数の個数: 64

約数和(自身を含む): 435456000

約数和(自身を除く): 234202792

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 89, 104, 136, 178, 221, 356, 442, 712, 884, 1157, 1279, 1513, 1768, 2314, 2558, 3026, 4628, 5116, 6052, 9256, 10232, 12104, 16627, 19669, 21743, 33254, 39338, 43486, 66508, 78676, 86972, 113831, 133016, 157352, 173944, 227662, 282659, 455324, 565318, 910648, 1130636, 1479803, 1935127, 2261272, 2959606, 3870254, 5919212, 7740508, 11838424, 15481016, 25156651, 50313302, 100626604, 201253208]

約数ペア:

[(1, 201253208), (2, 100626604), (4, 50313302), (8, 25156651), (13, 15481016), (17, 11838424), (26, 7740508), (34, 5919212), (52, 3870254), (68, 2959606), (89, 2261272), (104, 1935127), (136, 1479803), (178, 1130636), (221, 910648), (356, 565318), (442, 455324), (712, 282659), (884, 227662), (1157, 173944), (1279, 157352), (1513, 133016), (1768, 113831), (2314, 86972), (2558, 78676), (3026, 66508), (4628, 43486), (5116, 39338), (6052, 33254), (9256, 21743), (10232, 19669), (12104, 16627)]