81651444

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{138863}}^1$

素因数の和:138884

約数の個数: 36

約数和(自身を含む): 221626944

約数和(自身を除く): 139975500

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 138863, 277726, 416589, 555452, 833178, 972041, 1666356, 1944082, 2916123, 3888164, 5832246, 6804287, 11664492, 13608574, 20412861, 27217148, 40825722, 81651444]

約数ペア:

[(1, 81651444), (2, 40825722), (3, 27217148), (4, 20412861), (6, 13608574), (7, 11664492), (12, 6804287), (14, 5832246), (21, 3888164), (28, 2916123), (42, 1944082), (49, 1666356), (84, 972041), (98, 833178), (147, 555452), (196, 416589), (294, 277726), (588, 138863)]