40391519

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1$

素因数の和:311

約数の個数: 32

約数和(自身を含む): 51287040

約数和(自身を除く): 10895521

約数列:

[1, 7, 23, 29, 41, 161, 203, 211, 287, 667, 943, 1189, 1477, 4669, 4853, 6119, 6601, 8323, 8651, 27347, 33971, 42833, 60557, 140737, 191429, 198973, 250879, 985159, 1392811, 1756153, 5770217, 40391519]

約数ペア:

[(1, 40391519), (7, 5770217), (23, 1756153), (29, 1392811), (41, 985159), (161, 250879), (203, 198973), (211, 191429), (287, 140737), (667, 60557), (943, 42833), (1189, 33971), (1477, 27347), (4669, 8651), (4853, 8323), (6119, 6601)]