31610824

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:314

約数の個数: 64

約数和(自身を含む): 70963200

約数和(自身を除く): 39352376

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 131, 139, 217, 248, 262, 278, 434, 524, 556, 868, 917, 973, 1048, 1112, 1736, 1834, 1946, 3668, 3892, 4061, 4309, 7336, 7784, 8122, 8618, 16244, 17236, 18209, 28427, 30163, 32488, 34472, 36418, 56854, 60326, 72836, 113708, 120652, 127463, 145672, 227416, 241304, 254926, 509852, 564479, 1019704, 1128958, 2257916, 3951353, 4515832, 7902706, 15805412, 31610824]

約数ペア:

[(1, 31610824), (2, 15805412), (4, 7902706), (7, 4515832), (8, 3951353), (14, 2257916), (28, 1128958), (31, 1019704), (56, 564479), (62, 509852), (124, 254926), (131, 241304), (139, 227416), (217, 145672), (248, 127463), (262, 120652), (278, 113708), (434, 72836), (524, 60326), (556, 56854), (868, 36418), (917, 34472), (973, 32488), (1048, 30163), (1112, 28427), (1736, 18209), (1834, 17236), (1946, 16244), (3668, 8618), (3892, 8122), (4061, 7784), (4309, 7336)]