199983208

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{269}}^1$

素因数の和:434

約数の個数: 64

約数和(自身を含む): 407592000

約数和(自身を除く): 207608792

約数列:

[1, 2, 4, 8, 19, 38, 67, 73, 76, 134, 146, 152, 268, 269, 292, 536, 538, 584, 1076, 1273, 1387, 2152, 2546, 2774, 4891, 5092, 5111, 5548, 9782, 10184, 10222, 11096, 18023, 19564, 19637, 20444, 36046, 39128, 39274, 40888, 72092, 78548, 92929, 144184, 157096, 185858, 342437, 371716, 373103, 684874, 743432, 746206, 1315679, 1369748, 1492412, 2631358, 2739496, 2984824, 5262716, 10525432, 24997901, 49995802, 99991604, 199983208]

約数ペア:

[(1, 199983208), (2, 99991604), (4, 49995802), (8, 24997901), (19, 10525432), (38, 5262716), (67, 2984824), (73, 2739496), (76, 2631358), (134, 1492412), (146, 1369748), (152, 1315679), (268, 746206), (269, 743432), (292, 684874), (536, 373103), (538, 371716), (584, 342437), (1076, 185858), (1273, 157096), (1387, 144184), (2152, 92929), (2546, 78548), (2774, 72092), (4891, 40888), (5092, 39274), (5111, 39128), (5548, 36046), (9782, 20444), (10184, 19637), (10222, 19564), (11096, 18023)]