199366921

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:361

約数の個数: 32

約数和(自身を含む): 234436608

約数和(自身を除く): 35069687

約数列:

[1, 13, 23, 31, 137, 157, 299, 403, 713, 1781, 2041, 3151, 3611, 4247, 4867, 9269, 21509, 40963, 46943, 55211, 63271, 97681, 111941, 279617, 494707, 666779, 1269853, 1455233, 6431191, 8668127, 15335917, 199366921]

約数ペア:

[(1, 199366921), (13, 15335917), (23, 8668127), (31, 6431191), (137, 1455233), (157, 1269853), (299, 666779), (403, 494707), (713, 279617), (1781, 111941), (2041, 97681), (3151, 63271), (3611, 55211), (4247, 46943), (4867, 40963), (9269, 21509)]