205964605

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31469}}^1$

素因数の和:31509

約数の個数: 32

約数和(自身を含む): 326280960

約数和(自身を除く): 120316355

約数列:

[1, 5, 7, 11, 17, 35, 55, 77, 85, 119, 187, 385, 595, 935, 1309, 6545, 31469, 157345, 220283, 346159, 534973, 1101415, 1730795, 2423113, 2674865, 3744811, 5884703, 12115565, 18724055, 29423515, 41192921, 205964605]

約数ペア:

[(1, 205964605), (5, 41192921), (7, 29423515), (11, 18724055), (17, 12115565), (35, 5884703), (55, 3744811), (77, 2674865), (85, 2423113), (119, 1730795), (187, 1101415), (385, 534973), (595, 346159), (935, 220283), (1309, 157345), (6545, 31469)]