27991264

素因数分解:

$2^5\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:216

約数の個数: 96

約数和(自身を含む): 67737600

約数和(自身を除く): 39746336

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 31, 32, 56, 58, 62, 112, 116, 124, 139, 203, 217, 224, 232, 248, 278, 406, 434, 464, 496, 556, 812, 868, 899, 928, 973, 992, 1112, 1624, 1736, 1798, 1946, 2224, 3248, 3472, 3596, 3892, 4031, 4309, 4448, 6293, 6496, 6944, 7192, 7784, 8062, 8618, 12586, 14384, 15568, 16124, 17236, 25172, 28217, 28768, 30163, 31136, 32248, 34472, 50344, 56434, 60326, 64496, 68944, 100688, 112868, 120652, 124961, 128992, 137888, 201376, 225736, 241304, 249922, 451472, 482608, 499844, 874727, 902944, 965216, 999688, 1749454, 1999376, 3498908, 3998752, 6997816, 13995632, 27991264]

約数ペア:

[(1, 27991264), (2, 13995632), (4, 6997816), (7, 3998752), (8, 3498908), (14, 1999376), (16, 1749454), (28, 999688), (29, 965216), (31, 902944), (32, 874727), (56, 499844), (58, 482608), (62, 451472), (112, 249922), (116, 241304), (124, 225736), (139, 201376), (203, 137888), (217, 128992), (224, 124961), (232, 120652), (248, 112868), (278, 100688), (406, 68944), (434, 64496), (464, 60326), (496, 56434), (556, 50344), (812, 34472), (868, 32248), (899, 31136), (928, 30163), (973, 28768), (992, 28217), (1112, 25172), (1624, 17236), (1736, 16124), (1798, 15568), (1946, 14384), (2224, 12586), (3248, 8618), (3472, 8062), (3596, 7784), (3892, 7192), (4031, 6944), (4309, 6496), (4448, 6293)]