161778512

素因数分解:

$2^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{421}}^1$

素因数の和:556

約数の個数: 80

約数和(自身を含む): 371738112

約数和(自身を除く): 209959600

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 47, 56, 73, 94, 112, 146, 188, 292, 329, 376, 421, 511, 584, 658, 752, 842, 1022, 1168, 1316, 1684, 2044, 2632, 2947, 3368, 3431, 4088, 5264, 5894, 6736, 6862, 8176, 11788, 13724, 19787, 23576, 24017, 27448, 30733, 39574, 47152, 48034, 54896, 61466, 79148, 96068, 122932, 138509, 158296, 192136, 215131, 245864, 277018, 316592, 384272, 430262, 491728, 554036, 860524, 1108072, 1444451, 1721048, 2216144, 2888902, 3442096, 5777804, 10111157, 11555608, 20222314, 23111216, 40444628, 80889256, 161778512]

約数ペア:

[(1, 161778512), (2, 80889256), (4, 40444628), (7, 23111216), (8, 20222314), (14, 11555608), (16, 10111157), (28, 5777804), (47, 3442096), (56, 2888902), (73, 2216144), (94, 1721048), (112, 1444451), (146, 1108072), (188, 860524), (292, 554036), (329, 491728), (376, 430262), (421, 384272), (511, 316592), (584, 277018), (658, 245864), (752, 215131), (842, 192136), (1022, 158296), (1168, 138509), (1316, 122932), (1684, 96068), (2044, 79148), (2632, 61466), (2947, 54896), (3368, 48034), (3431, 47152), (4088, 39574), (5264, 30733), (5894, 27448), (6736, 24017), (6862, 23576), (8176, 19787), (11788, 13724)]