149939456

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{263}}^1$

素因数の和:427

約数の個数: 72

約数和(自身を含む): 320531904

約数和(自身を除く): 170592448

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 131, 136, 256, 262, 263, 272, 524, 526, 544, 1048, 1052, 1088, 2096, 2104, 2176, 2227, 4192, 4208, 4352, 4454, 4471, 8384, 8416, 8908, 8942, 16768, 16832, 17816, 17884, 33536, 33664, 34453, 35632, 35768, 67328, 68906, 71264, 71536, 137812, 142528, 143072, 275624, 285056, 286144, 551248, 570112, 572288, 585701, 1102496, 1144576, 1171402, 2204992, 2342804, 4409984, 4685608, 8819968, 9371216, 18742432, 37484864, 74969728, 149939456]

約数ペア:

[(1, 149939456), (2, 74969728), (4, 37484864), (8, 18742432), (16, 9371216), (17, 8819968), (32, 4685608), (34, 4409984), (64, 2342804), (68, 2204992), (128, 1171402), (131, 1144576), (136, 1102496), (256, 585701), (262, 572288), (263, 570112), (272, 551248), (524, 286144), (526, 285056), (544, 275624), (1048, 143072), (1052, 142528), (1088, 137812), (2096, 71536), (2104, 71264), (2176, 68906), (2227, 67328), (4192, 35768), (4208, 35632), (4352, 34453), (4454, 33664), (4471, 33536), (8384, 17884), (8416, 17816), (8908, 16832), (8942, 16768)]