245892992

素因数分解:

$2^7\times {\mathrm{31}}^2\times {\mathrm{1999}}^1$

素因数の和:2075

約数の個数: 48

約数和(自身を含む): 506430000

約数和(自身を除く): 260537008

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 961, 992, 1922, 1984, 1999, 3844, 3968, 3998, 7688, 7996, 15376, 15992, 30752, 31984, 61504, 61969, 63968, 123008, 123938, 127936, 247876, 255872, 495752, 991504, 1921039, 1983008, 3842078, 3966016, 7684156, 7932032, 15368312, 30736624, 61473248, 122946496, 245892992]

約数ペア:

[(1, 245892992), (2, 122946496), (4, 61473248), (8, 30736624), (16, 15368312), (31, 7932032), (32, 7684156), (62, 3966016), (64, 3842078), (124, 1983008), (128, 1921039), (248, 991504), (496, 495752), (961, 255872), (992, 247876), (1922, 127936), (1984, 123938), (1999, 123008), (3844, 63968), (3968, 61969), (3998, 61504), (7688, 31984), (7996, 30752), (15376, 15992)]