28505478

素因数分解:

$2^1\times 3^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1\times {\mathrm{431}}^1$

素因数の和:660

約数の個数: 32

約数和(自身を含む): 58309632

約数和(自身を除く): 29804154

約数列:

[1, 2, 3, 6, 73, 146, 151, 219, 302, 431, 438, 453, 862, 906, 1293, 2586, 11023, 22046, 31463, 33069, 62926, 65081, 66138, 94389, 130162, 188778, 195243, 390486, 4750913, 9501826, 14252739, 28505478]

約数ペア:

[(1, 28505478), (2, 14252739), (3, 9501826), (6, 4750913), (73, 390486), (146, 195243), (151, 188778), (219, 130162), (302, 94389), (431, 66138), (438, 65081), (453, 62926), (862, 33069), (906, 31463), (1293, 22046), (2586, 11023)]