215514635

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{1429}}^1$

素因数の和:1611

約数の個数: 32

約数和(自身を含む): 307507200

約数和(自身を除く): 91992565

約数列:

[1, 5, 7, 31, 35, 139, 155, 217, 695, 973, 1085, 1429, 4309, 4865, 7145, 10003, 21545, 30163, 44299, 50015, 150815, 198631, 221495, 310093, 993155, 1390417, 1550465, 6157561, 6952085, 30787805, 43102927, 215514635]

約数ペア:

[(1, 215514635), (5, 43102927), (7, 30787805), (31, 6952085), (35, 6157561), (139, 1550465), (155, 1390417), (217, 993155), (695, 310093), (973, 221495), (1085, 198631), (1429, 150815), (4309, 50015), (4865, 44299), (7145, 30163), (10003, 21545)]