278175772

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:371

約数の個数: 96

約数和(自身を含む): 610283520

約数和(自身を除く): 332107748

約数列:

[1, 2, 4, 7, 14, 28, 29, 31, 43, 58, 62, 86, 116, 124, 172, 203, 217, 257, 301, 406, 434, 514, 602, 812, 868, 899, 1028, 1204, 1247, 1333, 1798, 1799, 2494, 2666, 3596, 3598, 4988, 5332, 6293, 7196, 7453, 7967, 8729, 9331, 11051, 12586, 14906, 15934, 17458, 18662, 22102, 25172, 29812, 31868, 34916, 37324, 38657, 44204, 52171, 55769, 77314, 77357, 104342, 111538, 154628, 154714, 208684, 223076, 231043, 270599, 309428, 320479, 342581, 462086, 541198, 640958, 685162, 924172, 1082396, 1281916, 1370324, 1617301, 2243353, 2398067, 3234602, 4486706, 4796134, 6469204, 8973412, 9592268, 9934849, 19869698, 39739396, 69543943, 139087886, 278175772]

約数ペア:

[(1, 278175772), (2, 139087886), (4, 69543943), (7, 39739396), (14, 19869698), (28, 9934849), (29, 9592268), (31, 8973412), (43, 6469204), (58, 4796134), (62, 4486706), (86, 3234602), (116, 2398067), (124, 2243353), (172, 1617301), (203, 1370324), (217, 1281916), (257, 1082396), (301, 924172), (406, 685162), (434, 640958), (514, 541198), (602, 462086), (812, 342581), (868, 320479), (899, 309428), (1028, 270599), (1204, 231043), (1247, 223076), (1333, 208684), (1798, 154714), (1799, 154628), (2494, 111538), (2666, 104342), (3596, 77357), (3598, 77314), (4988, 55769), (5332, 52171), (6293, 44204), (7196, 38657), (7453, 37324), (7967, 34916), (8729, 31868), (9331, 29812), (11051, 25172), (12586, 22102), (14906, 18662), (15934, 17458)]