221487244

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{63719}}^1$

素因数の和:63813

約数の個数: 24

約数和(自身を含む): 428198400

約数和(自身を除く): 206711156

約数列:

[1, 2, 4, 11, 22, 44, 79, 158, 316, 869, 1738, 3476, 63719, 127438, 254876, 700909, 1401818, 2803636, 5033801, 10067602, 20135204, 55371811, 110743622, 221487244]

約数ペア:

[(1, 221487244), (2, 110743622), (4, 55371811), (11, 20135204), (22, 10067602), (44, 5033801), (79, 2803636), (158, 1401818), (316, 700909), (869, 254876), (1738, 127438), (3476, 63719)]