218712888

素因数分解:

$2^3\times 3^2\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{457}}^1$

素因数の和:526

約数の個数: 144

約数和(自身を含む): 658036080

約数和(自身を除く): 439323192

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 23, 24, 34, 36, 46, 51, 68, 69, 72, 92, 102, 136, 138, 153, 184, 204, 207, 276, 289, 306, 391, 408, 414, 457, 552, 578, 612, 782, 828, 867, 914, 1156, 1173, 1224, 1371, 1564, 1656, 1734, 1828, 2312, 2346, 2601, 2742, 3128, 3468, 3519, 3656, 4113, 4692, 5202, 5484, 6647, 6936, 7038, 7769, 8226, 9384, 10404, 10511, 10968, 13294, 14076, 15538, 16452, 19941, 20808, 21022, 23307, 26588, 28152, 31076, 31533, 32904, 39882, 42044, 46614, 53176, 59823, 62152, 63066, 69921, 79764, 84088, 93228, 94599, 119646, 126132, 132073, 139842, 159528, 178687, 186456, 189198, 239292, 252264, 264146, 279684, 357374, 378396, 396219, 478584, 528292, 536061, 559368, 714748, 756792, 792438, 1056584, 1072122, 1188657, 1429496, 1584876, 1608183, 2144244, 2377314, 3037679, 3169752, 3216366, 4288488, 4754628, 6075358, 6432732, 9113037, 9509256, 12150716, 12865464, 18226074, 24301432, 27339111, 36452148, 54678222, 72904296, 109356444, 218712888]

約数ペア:

[(1, 218712888), (2, 109356444), (3, 72904296), (4, 54678222), (6, 36452148), (8, 27339111), (9, 24301432), (12, 18226074), (17, 12865464), (18, 12150716), (23, 9509256), (24, 9113037), (34, 6432732), (36, 6075358), (46, 4754628), (51, 4288488), (68, 3216366), (69, 3169752), (72, 3037679), (92, 2377314), (102, 2144244), (136, 1608183), (138, 1584876), (153, 1429496), (184, 1188657), (204, 1072122), (207, 1056584), (276, 792438), (289, 756792), (306, 714748), (391, 559368), (408, 536061), (414, 528292), (457, 478584), (552, 396219), (578, 378396), (612, 357374), (782, 279684), (828, 264146), (867, 252264), (914, 239292), (1156, 189198), (1173, 186456), (1224, 178687), (1371, 159528), (1564, 139842), (1656, 132073), (1734, 126132), (1828, 119646), (2312, 94599), (2346, 93228), (2601, 84088), (2742, 79764), (3128, 69921), (3468, 63066), (3519, 62152), (3656, 59823), (4113, 53176), (4692, 46614), (5202, 42044), (5484, 39882), (6647, 32904), (6936, 31533), (7038, 31076), (7769, 28152), (8226, 26588), (9384, 23307), (10404, 21022), (10511, 20808), (10968, 19941), (13294, 16452), (14076, 15538)]