40439438

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{383}}^1$

素因数の和:560

約数の個数: 32

約数和(自身を含む): 68124672

約数和(自身を除く): 27685234

約数列:

[1, 2, 13, 26, 31, 62, 131, 262, 383, 403, 766, 806, 1703, 3406, 4061, 4979, 8122, 9958, 11873, 23746, 50173, 52793, 100346, 105586, 154349, 308698, 652249, 1304498, 1555363, 3110726, 20219719, 40439438]

約数ペア:

[(1, 40439438), (2, 20219719), (13, 3110726), (26, 1555363), (31, 1304498), (62, 652249), (131, 308698), (262, 154349), (383, 105586), (403, 100346), (766, 52793), (806, 50173), (1703, 23746), (3406, 11873), (4061, 9958), (4979, 8122)]