218877215

素因数分解:

$5^1\times {\mathrm{163}}^1\times {\mathrm{271}}^1\times {\mathrm{991}}^1$

素因数の和:1430

約数の個数: 16

約数和(自身を含む): 265506816

約数和(自身を除く): 46629601

約数列:

[1, 5, 163, 271, 815, 991, 1355, 4955, 44173, 161533, 220865, 268561, 807665, 1342805, 43775443, 218877215]

約数ペア:

[(1, 218877215), (5, 43775443), (163, 1342805), (271, 807665), (815, 268561), (991, 220865), (1355, 161533), (4955, 44173)]