31191281904

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1103257}}^1$

素因数の和:1103318

約数の個数: 80

約数和(自身を含む): 87554554880

約数和(自身を除く): 56363272976

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 31, 38, 48, 57, 62, 76, 93, 114, 124, 152, 186, 228, 248, 304, 372, 456, 496, 589, 744, 912, 1178, 1488, 1767, 2356, 3534, 4712, 7068, 9424, 14136, 28272, 1103257, 2206514, 3309771, 4413028, 6619542, 8826056, 13239084, 17652112, 20961883, 26478168, 34200967, 41923766, 52956336, 62885649, 68401934, 83847532, 102602901, 125771298, 136803868, 167695064, 205205802, 251542596, 273607736, 335390128, 410411604, 503085192, 547215472, 649818373, 820823208, 1006170384, 1299636746, 1641646416, 1949455119, 2599273492, 3898910238, 5198546984, 7797820476, 10397093968, 15595640952, 31191281904]

約数ペア:

[(1, 31191281904), (2, 15595640952), (3, 10397093968), (4, 7797820476), (6, 5198546984), (8, 3898910238), (12, 2599273492), (16, 1949455119), (19, 1641646416), (24, 1299636746), (31, 1006170384), (38, 820823208), (48, 649818373), (57, 547215472), (62, 503085192), (76, 410411604), (93, 335390128), (114, 273607736), (124, 251542596), (152, 205205802), (186, 167695064), (228, 136803868), (248, 125771298), (304, 102602901), (372, 83847532), (456, 68401934), (496, 62885649), (589, 52956336), (744, 41923766), (912, 34200967), (1178, 26478168), (1488, 20961883), (1767, 17652112), (2356, 13239084), (3534, 8826056), (4712, 6619542), (7068, 4413028), (9424, 3309771), (14136, 2206514), (28272, 1103257)]