1728678

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{521}}^1$

素因数の和:612

約数の個数: 32

約数和(自身を含む): 4008960

約数和(自身を除く): 2280282

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 79, 158, 237, 474, 521, 553, 1042, 1106, 1563, 1659, 3126, 3318, 3647, 7294, 10941, 21882, 41159, 82318, 123477, 246954, 288113, 576226, 864339, 1728678]

約数ペア:

[(1, 1728678), (2, 864339), (3, 576226), (6, 288113), (7, 246954), (14, 123477), (21, 82318), (42, 41159), (79, 21882), (158, 10941), (237, 7294), (474, 3647), (521, 3318), (553, 3126), (1042, 1659), (1106, 1563)]