489605816

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{2029}}^1$

素因数の和:2212

約数の個数: 64

約数和(自身を含む): 1091328000

約数和(自身を除く): 601722184

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 139, 217, 248, 278, 434, 556, 868, 973, 1112, 1736, 1946, 2029, 3892, 4058, 4309, 7784, 8116, 8618, 14203, 16232, 17236, 28406, 30163, 34472, 56812, 60326, 62899, 113624, 120652, 125798, 241304, 251596, 282031, 440293, 503192, 564062, 880586, 1128124, 1761172, 1974217, 2256248, 3522344, 3948434, 7896868, 8742961, 15793736, 17485922, 34971844, 61200727, 69943688, 122401454, 244802908, 489605816]

約数ペア:

[(1, 489605816), (2, 244802908), (4, 122401454), (7, 69943688), (8, 61200727), (14, 34971844), (28, 17485922), (31, 15793736), (56, 8742961), (62, 7896868), (124, 3948434), (139, 3522344), (217, 2256248), (248, 1974217), (278, 1761172), (434, 1128124), (556, 880586), (868, 564062), (973, 503192), (1112, 440293), (1736, 282031), (1946, 251596), (2029, 241304), (3892, 125798), (4058, 120652), (4309, 113624), (7784, 62899), (8116, 60326), (8618, 56812), (14203, 34472), (16232, 30163), (17236, 28406)]