278575168

素因数分解:

$2^6\times {\mathrm{131}}^1\times {\mathrm{149}}^1\times {\mathrm{223}}^1$

素因数の和:515

約数の個数: 56

約数和(自身を含む): 563270400

約数和(自身を除く): 284695232

約数列:

[1, 2, 4, 8, 16, 32, 64, 131, 149, 223, 262, 298, 446, 524, 596, 892, 1048, 1192, 1784, 2096, 2384, 3568, 4192, 4768, 7136, 8384, 9536, 14272, 19519, 29213, 33227, 39038, 58426, 66454, 78076, 116852, 132908, 156152, 233704, 265816, 312304, 467408, 531632, 624608, 934816, 1063264, 1249216, 1869632, 2126528, 4352737, 8705474, 17410948, 34821896, 69643792, 139287584, 278575168]

約数ペア:

[(1, 278575168), (2, 139287584), (4, 69643792), (8, 34821896), (16, 17410948), (32, 8705474), (64, 4352737), (131, 2126528), (149, 1869632), (223, 1249216), (262, 1063264), (298, 934816), (446, 624608), (524, 531632), (596, 467408), (892, 312304), (1048, 265816), (1192, 233704), (1784, 156152), (2096, 132908), (2384, 116852), (3568, 78076), (4192, 66454), (4768, 58426), (7136, 39038), (8384, 33227), (9536, 29213), (14272, 19519)]