1999376

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:207

約数の個数: 40

約数和(自身を含む): 4166400

約数和(自身を除く): 2167024

約数列:

[1, 2, 4, 8, 16, 29, 31, 58, 62, 116, 124, 139, 232, 248, 278, 464, 496, 556, 899, 1112, 1798, 2224, 3596, 4031, 4309, 7192, 8062, 8618, 14384, 16124, 17236, 32248, 34472, 64496, 68944, 124961, 249922, 499844, 999688, 1999376]

約数ペア:

[(1, 1999376), (2, 999688), (4, 499844), (8, 249922), (16, 124961), (29, 68944), (31, 64496), (58, 34472), (62, 32248), (116, 17236), (124, 16124), (139, 14384), (232, 8618), (248, 8062), (278, 7192), (464, 4309), (496, 4031), (556, 3596), (899, 2224), (1112, 1798)]