181523728

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{227}}^1$

素因数の和:352

約数の個数: 80

約数和(自身を含む): 384725376

約数和(自身を除く): 203201648

約数列:

[1, 2, 4, 8, 16, 23, 41, 46, 53, 82, 92, 106, 164, 184, 212, 227, 328, 368, 424, 454, 656, 848, 908, 943, 1219, 1816, 1886, 2173, 2438, 3632, 3772, 4346, 4876, 5221, 7544, 8692, 9307, 9752, 10442, 12031, 15088, 17384, 18614, 19504, 20884, 24062, 34768, 37228, 41768, 48124, 49979, 74456, 83536, 96248, 99958, 148912, 192496, 199916, 214061, 276713, 399832, 428122, 493271, 553426, 799664, 856244, 986542, 1106852, 1712488, 1973084, 2213704, 3424976, 3946168, 4427408, 7892336, 11345233, 22690466, 45380932, 90761864, 181523728]

約数ペア:

[(1, 181523728), (2, 90761864), (4, 45380932), (8, 22690466), (16, 11345233), (23, 7892336), (41, 4427408), (46, 3946168), (53, 3424976), (82, 2213704), (92, 1973084), (106, 1712488), (164, 1106852), (184, 986542), (212, 856244), (227, 799664), (328, 553426), (368, 493271), (424, 428122), (454, 399832), (656, 276713), (848, 214061), (908, 199916), (943, 192496), (1219, 148912), (1816, 99958), (1886, 96248), (2173, 83536), (2438, 74456), (3632, 49979), (3772, 48124), (4346, 41768), (4876, 37228), (5221, 34768), (7544, 24062), (8692, 20884), (9307, 19504), (9752, 18614), (10442, 17384), (12031, 15088)]