399142608

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1\times {\mathrm{857}}^1$

素因数の和:1212

約数の個数: 80

約数和(自身を含む): 1069026816

約数和(自身を除く): 669884208

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 93, 124, 186, 248, 313, 372, 496, 626, 744, 857, 939, 1252, 1488, 1714, 1878, 2504, 2571, 3428, 3756, 5008, 5142, 6856, 7512, 9703, 10284, 13712, 15024, 19406, 20568, 26567, 29109, 38812, 41136, 53134, 58218, 77624, 79701, 106268, 116436, 155248, 159402, 212536, 232872, 268241, 318804, 425072, 465744, 536482, 637608, 804723, 1072964, 1275216, 1609446, 2145928, 3218892, 4291856, 6437784, 8315471, 12875568, 16630942, 24946413, 33261884, 49892826, 66523768, 99785652, 133047536, 199571304, 399142608]

約数ペア:

[(1, 399142608), (2, 199571304), (3, 133047536), (4, 99785652), (6, 66523768), (8, 49892826), (12, 33261884), (16, 24946413), (24, 16630942), (31, 12875568), (48, 8315471), (62, 6437784), (93, 4291856), (124, 3218892), (186, 2145928), (248, 1609446), (313, 1275216), (372, 1072964), (496, 804723), (626, 637608), (744, 536482), (857, 465744), (939, 425072), (1252, 318804), (1488, 268241), (1714, 232872), (1878, 212536), (2504, 159402), (2571, 155248), (3428, 116436), (3756, 106268), (5008, 79701), (5142, 77624), (6856, 58218), (7512, 53134), (9703, 41136), (10284, 38812), (13712, 29109), (15024, 26567), (19406, 20568)]