217754416

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{373}}^1$

素因数の和:530

約数の個数: 80

約数和(自身を含む): 480826368

約数和(自身を除く): 263071952

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 62, 88, 107, 124, 176, 214, 248, 341, 373, 428, 496, 682, 746, 856, 1177, 1364, 1492, 1712, 2354, 2728, 2984, 3317, 4103, 4708, 5456, 5968, 6634, 8206, 9416, 11563, 13268, 16412, 18832, 23126, 26536, 32824, 36487, 39911, 46252, 53072, 65648, 72974, 79822, 92504, 127193, 145948, 159644, 185008, 254386, 291896, 319288, 439021, 508772, 583792, 638576, 878042, 1017544, 1237241, 1756084, 2035088, 2474482, 3512168, 4948964, 7024336, 9897928, 13609651, 19795856, 27219302, 54438604, 108877208, 217754416]

約数ペア:

[(1, 217754416), (2, 108877208), (4, 54438604), (8, 27219302), (11, 19795856), (16, 13609651), (22, 9897928), (31, 7024336), (44, 4948964), (62, 3512168), (88, 2474482), (107, 2035088), (124, 1756084), (176, 1237241), (214, 1017544), (248, 878042), (341, 638576), (373, 583792), (428, 508772), (496, 439021), (682, 319288), (746, 291896), (856, 254386), (1177, 185008), (1364, 159644), (1492, 145948), (1712, 127193), (2354, 92504), (2728, 79822), (2984, 72974), (3317, 65648), (4103, 53072), (4708, 46252), (5456, 39911), (5968, 36487), (6634, 32824), (8206, 26536), (9416, 23126), (11563, 18832), (13268, 16412)]