15995008

素因数分解:

$2^7\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:213

約数の個数: 64

約数和(自身を含む): 34272000

約数和(自身を除く): 18276992

約数列:

[1, 2, 4, 8, 16, 29, 31, 32, 58, 62, 64, 116, 124, 128, 139, 232, 248, 278, 464, 496, 556, 899, 928, 992, 1112, 1798, 1856, 1984, 2224, 3596, 3712, 3968, 4031, 4309, 4448, 7192, 8062, 8618, 8896, 14384, 16124, 17236, 17792, 28768, 32248, 34472, 57536, 64496, 68944, 115072, 124961, 128992, 137888, 249922, 257984, 275776, 499844, 515968, 551552, 999688, 1999376, 3998752, 7997504, 15995008]

約数ペア:

[(1, 15995008), (2, 7997504), (4, 3998752), (8, 1999376), (16, 999688), (29, 551552), (31, 515968), (32, 499844), (58, 275776), (62, 257984), (64, 249922), (116, 137888), (124, 128992), (128, 124961), (139, 115072), (232, 68944), (248, 64496), (278, 57536), (464, 34472), (496, 32248), (556, 28768), (899, 17792), (928, 17236), (992, 16124), (1112, 14384), (1798, 8896), (1856, 8618), (1984, 8062), (2224, 7192), (3596, 4448), (3712, 4309), (3968, 4031)]