257197896

素因数分解:

$2^3\times 3^3\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{787}}^1$

素因数の和:908

約数の個数: 128

約数和(自身を含む): 765936000

約数和(自身を除く): 508738104

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 27, 34, 36, 51, 54, 68, 72, 89, 102, 108, 136, 153, 178, 204, 216, 267, 306, 356, 408, 459, 534, 612, 712, 787, 801, 918, 1068, 1224, 1513, 1574, 1602, 1836, 2136, 2361, 2403, 3026, 3148, 3204, 3672, 4539, 4722, 4806, 6052, 6296, 6408, 7083, 9078, 9444, 9612, 12104, 13379, 13617, 14166, 18156, 18888, 19224, 21249, 26758, 27234, 28332, 36312, 40137, 40851, 42498, 53516, 54468, 56664, 70043, 80274, 81702, 84996, 107032, 108936, 120411, 140086, 160548, 163404, 169992, 210129, 240822, 280172, 321096, 326808, 361233, 420258, 481644, 560344, 630387, 722466, 840516, 963288, 1190731, 1260774, 1444932, 1681032, 1891161, 2381462, 2521548, 2889864, 3572193, 3782322, 4762924, 5043096, 7144386, 7564644, 9525848, 10716579, 14288772, 15129288, 21433158, 28577544, 32149737, 42866316, 64299474, 85732632, 128598948, 257197896]

約数ペア:

[(1, 257197896), (2, 128598948), (3, 85732632), (4, 64299474), (6, 42866316), (8, 32149737), (9, 28577544), (12, 21433158), (17, 15129288), (18, 14288772), (24, 10716579), (27, 9525848), (34, 7564644), (36, 7144386), (51, 5043096), (54, 4762924), (68, 3782322), (72, 3572193), (89, 2889864), (102, 2521548), (108, 2381462), (136, 1891161), (153, 1681032), (178, 1444932), (204, 1260774), (216, 1190731), (267, 963288), (306, 840516), (356, 722466), (408, 630387), (459, 560344), (534, 481644), (612, 420258), (712, 361233), (787, 326808), (801, 321096), (918, 280172), (1068, 240822), (1224, 210129), (1513, 169992), (1574, 163404), (1602, 160548), (1836, 140086), (2136, 120411), (2361, 108936), (2403, 107032), (3026, 84996), (3148, 81702), (3204, 80274), (3672, 70043), (4539, 56664), (4722, 54468), (4806, 53516), (6052, 42498), (6296, 40851), (6408, 40137), (7083, 36312), (9078, 28332), (9444, 27234), (9612, 26758), (12104, 21249), (13379, 19224), (13617, 18888), (14166, 18156)]