216781264

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{2153}}^1$

素因数の和:2228

約数の個数: 80

約数和(自身を含む): 512824320

約数和(自身を除く): 296043056

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 31, 56, 58, 62, 112, 116, 124, 203, 217, 232, 248, 406, 434, 464, 496, 812, 868, 899, 1624, 1736, 1798, 2153, 3248, 3472, 3596, 4306, 6293, 7192, 8612, 12586, 14384, 15071, 17224, 25172, 30142, 34448, 50344, 60284, 62437, 66743, 100688, 120568, 124874, 133486, 241136, 249748, 266972, 437059, 467201, 499496, 533944, 874118, 934402, 998992, 1067888, 1748236, 1868804, 1935547, 3496472, 3737608, 3871094, 6992944, 7475216, 7742188, 13548829, 15484376, 27097658, 30968752, 54195316, 108390632, 216781264]

約数ペア:

[(1, 216781264), (2, 108390632), (4, 54195316), (7, 30968752), (8, 27097658), (14, 15484376), (16, 13548829), (28, 7742188), (29, 7475216), (31, 6992944), (56, 3871094), (58, 3737608), (62, 3496472), (112, 1935547), (116, 1868804), (124, 1748236), (203, 1067888), (217, 998992), (232, 934402), (248, 874118), (406, 533944), (434, 499496), (464, 467201), (496, 437059), (812, 266972), (868, 249748), (899, 241136), (1624, 133486), (1736, 124874), (1798, 120568), (2153, 100688), (3248, 66743), (3472, 62437), (3596, 60284), (4306, 50344), (6293, 34448), (7192, 30142), (8612, 25172), (12586, 17224), (14384, 15071)]