257072704

素因数分解:

$2^6\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{421}}^1$

素因数の和:516

約数の個数: 112

約数和(自身を含む): 617402880

約数和(自身を除く): 360330176

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 47, 56, 58, 64, 94, 112, 116, 188, 203, 224, 232, 329, 376, 406, 421, 448, 464, 658, 752, 812, 842, 928, 1316, 1363, 1504, 1624, 1684, 1856, 2632, 2726, 2947, 3008, 3248, 3368, 5264, 5452, 5894, 6496, 6736, 9541, 10528, 10904, 11788, 12209, 12992, 13472, 19082, 19787, 21056, 21808, 23576, 24418, 26944, 38164, 39574, 43616, 47152, 48836, 76328, 79148, 85463, 87232, 94304, 97672, 138509, 152656, 158296, 170926, 188608, 195344, 277018, 305312, 316592, 341852, 390688, 554036, 573823, 610624, 633184, 683704, 781376, 1108072, 1147646, 1266368, 1367408, 2216144, 2295292, 2734816, 4016761, 4432288, 4590584, 5469632, 8033522, 8864576, 9181168, 16067044, 18362336, 32134088, 36724672, 64268176, 128536352, 257072704]

約数ペア:

[(1, 257072704), (2, 128536352), (4, 64268176), (7, 36724672), (8, 32134088), (14, 18362336), (16, 16067044), (28, 9181168), (29, 8864576), (32, 8033522), (47, 5469632), (56, 4590584), (58, 4432288), (64, 4016761), (94, 2734816), (112, 2295292), (116, 2216144), (188, 1367408), (203, 1266368), (224, 1147646), (232, 1108072), (329, 781376), (376, 683704), (406, 633184), (421, 610624), (448, 573823), (464, 554036), (658, 390688), (752, 341852), (812, 316592), (842, 305312), (928, 277018), (1316, 195344), (1363, 188608), (1504, 170926), (1624, 158296), (1684, 152656), (1856, 138509), (2632, 97672), (2726, 94304), (2947, 87232), (3008, 85463), (3248, 79148), (3368, 76328), (5264, 48836), (5452, 47152), (5894, 43616), (6496, 39574), (6736, 38164), (9541, 26944), (10528, 24418), (10904, 23576), (11788, 21808), (12209, 21056), (12992, 19787), (13472, 19082)]