216171844

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{188303}}^1$

素因数の和:188355

約数の個数: 24

約数和(自身を含む): 442891008

約数和(自身を除く): 226719164

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 188303, 376606, 753212, 1318121, 2636242, 5272484, 7720423, 15440846, 30881692, 54042961, 108085922, 216171844]

約数ペア:

[(1, 216171844), (2, 108085922), (4, 54042961), (7, 30881692), (14, 15440846), (28, 7720423), (41, 5272484), (82, 2636242), (164, 1318121), (287, 753212), (574, 376606), (1148, 188303)]