390666416

素因数分解:

$2^4\times 7^2\times {\mathrm{107}}^1\times {\mathrm{4657}}^1$

素因数の和:4786

約数の個数: 60

約数和(自身を含む): 888914088

約数和(自身を除く): 498247672

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 107, 112, 196, 214, 392, 428, 749, 784, 856, 1498, 1712, 2996, 4657, 5243, 5992, 9314, 10486, 11984, 18628, 20972, 32599, 37256, 41944, 65198, 74512, 83888, 130396, 228193, 260792, 456386, 498299, 521584, 912772, 996598, 1825544, 1993196, 3488093, 3651088, 3986392, 6976186, 7972784, 13952372, 24416651, 27904744, 48833302, 55809488, 97666604, 195333208, 390666416]

約数ペア:

[(1, 390666416), (2, 195333208), (4, 97666604), (7, 55809488), (8, 48833302), (14, 27904744), (16, 24416651), (28, 13952372), (49, 7972784), (56, 6976186), (98, 3986392), (107, 3651088), (112, 3488093), (196, 1993196), (214, 1825544), (392, 996598), (428, 912772), (749, 521584), (784, 498299), (856, 456386), (1498, 260792), (1712, 228193), (2996, 130396), (4657, 83888), (5243, 74512), (5992, 65198), (9314, 41944), (10486, 37256), (11984, 32599), (18628, 20972)]