397553978

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{631}}^1\times {\mathrm{3119}}^1$

素因数の和:3853

約数の個数: 16

約数和(自身を含む): 603383040

約数和(自身を除く): 205829062

約数列:

[1, 2, 101, 202, 631, 1262, 3119, 6238, 63731, 127462, 315019, 630038, 1968089, 3936178, 198776989, 397553978]

約数ペア:

[(1, 397553978), (2, 198776989), (101, 3936178), (202, 1968089), (631, 630038), (1262, 315019), (3119, 127462), (6238, 63731)]