212640904

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{122489}}^1$

素因数の和:122533

約数の個数: 32

約数和(自身を含む): 470361600

約数和(自身を除く): 257720696

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 122489, 244978, 489956, 857423, 979912, 1714846, 3429692, 3797159, 6859384, 7594318, 15188636, 26580113, 30377272, 53160226, 106320452, 212640904]

約数ペア:

[(1, 212640904), (2, 106320452), (4, 53160226), (7, 30377272), (8, 26580113), (14, 15188636), (28, 7594318), (31, 6859384), (56, 3797159), (62, 3429692), (124, 1714846), (217, 979912), (248, 857423), (434, 489956), (868, 244978), (1736, 122489)]