247956848

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:306

約数の個数: 80

約数和(自身を含む): 517466880

約数和(自身を除く): 269510032

約数列:

[1, 2, 4, 8, 16, 31, 41, 62, 82, 89, 124, 137, 164, 178, 248, 274, 328, 356, 496, 548, 656, 712, 1096, 1271, 1424, 2192, 2542, 2759, 3649, 4247, 5084, 5518, 5617, 7298, 8494, 10168, 11036, 11234, 12193, 14596, 16988, 20336, 22072, 22468, 24386, 29192, 33976, 44144, 44936, 48772, 58384, 67952, 89872, 97544, 113119, 174127, 195088, 226238, 348254, 377983, 452476, 499913, 696508, 755966, 904952, 999826, 1393016, 1511932, 1809904, 1999652, 2786032, 3023864, 3999304, 6047728, 7998608, 15497303, 30994606, 61989212, 123978424, 247956848]

約数ペア:

[(1, 247956848), (2, 123978424), (4, 61989212), (8, 30994606), (16, 15497303), (31, 7998608), (41, 6047728), (62, 3999304), (82, 3023864), (89, 2786032), (124, 1999652), (137, 1809904), (164, 1511932), (178, 1393016), (248, 999826), (274, 904952), (328, 755966), (356, 696508), (496, 499913), (548, 452476), (656, 377983), (712, 348254), (1096, 226238), (1271, 195088), (1424, 174127), (2192, 113119), (2542, 97544), (2759, 89872), (3649, 67952), (4247, 58384), (5084, 48772), (5518, 44936), (5617, 44144), (7298, 33976), (8494, 29192), (10168, 24386), (11036, 22468), (11234, 22072), (12193, 20336), (14596, 16988)]