198339984

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{283}}^1$

素因数の和:485

約数の個数: 120

約数和(自身を含む): 578669312

約数和(自身を除く): 380329328

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 48, 62, 72, 93, 124, 144, 157, 186, 248, 279, 283, 314, 372, 471, 496, 558, 566, 628, 744, 849, 942, 1116, 1132, 1256, 1413, 1488, 1698, 1884, 2232, 2264, 2512, 2547, 2826, 3396, 3768, 4464, 4528, 4867, 5094, 5652, 6792, 7536, 8773, 9734, 10188, 11304, 13584, 14601, 17546, 19468, 20376, 22608, 26319, 29202, 35092, 38936, 40752, 43803, 44431, 52638, 58404, 70184, 77872, 78957, 87606, 88862, 105276, 116808, 133293, 140368, 157914, 175212, 177724, 210552, 233616, 266586, 315828, 350424, 355448, 399879, 421104, 533172, 631656, 700848, 710896, 799758, 1066344, 1263312, 1377361, 1599516, 2132688, 2754722, 3199032, 4132083, 5509444, 6398064, 8264166, 11018888, 12396249, 16528332, 22037776, 24792498, 33056664, 49584996, 66113328, 99169992, 198339984]

約数ペア:

[(1, 198339984), (2, 99169992), (3, 66113328), (4, 49584996), (6, 33056664), (8, 24792498), (9, 22037776), (12, 16528332), (16, 12396249), (18, 11018888), (24, 8264166), (31, 6398064), (36, 5509444), (48, 4132083), (62, 3199032), (72, 2754722), (93, 2132688), (124, 1599516), (144, 1377361), (157, 1263312), (186, 1066344), (248, 799758), (279, 710896), (283, 700848), (314, 631656), (372, 533172), (471, 421104), (496, 399879), (558, 355448), (566, 350424), (628, 315828), (744, 266586), (849, 233616), (942, 210552), (1116, 177724), (1132, 175212), (1256, 157914), (1413, 140368), (1488, 133293), (1698, 116808), (1884, 105276), (2232, 88862), (2264, 87606), (2512, 78957), (2547, 77872), (2826, 70184), (3396, 58404), (3768, 52638), (4464, 44431), (4528, 43803), (4867, 40752), (5094, 38936), (5652, 35092), (6792, 29202), (7536, 26319), (8773, 22608), (9734, 20376), (10188, 19468), (11304, 17546), (13584, 14601)]