200721838

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{23291}}^1$

素因数の和:23463

約数の個数: 16

約数和(自身を含む): 313044480

約数和(自身を除く): 112322642

約数列:

[1, 2, 31, 62, 139, 278, 4309, 8618, 23291, 46582, 722021, 1444042, 3237449, 6474898, 100360919, 200721838]

約数ペア:

[(1, 200721838), (2, 100360919), (31, 6474898), (62, 3237449), (139, 1444042), (278, 722021), (4309, 46582), (8618, 23291)]