217465930

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{63773}}^1$

素因数の和:63822

約数の個数: 32

約数和(自身を含む): 440805888

約数和(自身を除く): 223339958

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 155, 310, 341, 682, 1705, 3410, 63773, 127546, 318865, 637730, 701503, 1403006, 1976963, 3507515, 3953926, 7015030, 9884815, 19769630, 21746593, 43493186, 108732965, 217465930]

約数ペア:

[(1, 217465930), (2, 108732965), (5, 43493186), (10, 21746593), (11, 19769630), (22, 9884815), (31, 7015030), (55, 3953926), (62, 3507515), (110, 1976963), (155, 1403006), (310, 701503), (341, 637730), (682, 318865), (1705, 127546), (3410, 63773)]