90458885

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1663}}^1$

素因数の和:1745

約数の個数: 32

約数和(自身を含む): 126517248

約数和(自身を除く): 36058363

約数列:

[1, 5, 11, 23, 43, 55, 115, 215, 253, 473, 989, 1265, 1663, 2365, 4945, 8315, 10879, 18293, 38249, 54395, 71509, 91465, 191245, 357545, 420739, 786599, 1644707, 2103695, 3932995, 8223535, 18091777, 90458885]

約数ペア:

[(1, 90458885), (5, 18091777), (11, 8223535), (23, 3932995), (43, 2103695), (55, 1644707), (115, 786599), (215, 420739), (253, 357545), (473, 191245), (989, 91465), (1265, 71509), (1663, 54395), (2365, 38249), (4945, 18293), (8315, 10879)]