257854688

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1213}}^1$

素因数の和:1316

約数の個数: 96

約数和(自身を含む): 633882816

約数和(自身を除く): 376028128

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 73, 91, 104, 112, 146, 182, 208, 224, 292, 364, 416, 511, 584, 728, 949, 1022, 1168, 1213, 1456, 1898, 2044, 2336, 2426, 2912, 3796, 4088, 4852, 6643, 7592, 8176, 8491, 9704, 13286, 15184, 15769, 16352, 16982, 19408, 26572, 30368, 31538, 33964, 38816, 53144, 63076, 67928, 88549, 106288, 110383, 126152, 135856, 177098, 212576, 220766, 252304, 271712, 354196, 441532, 504608, 619843, 708392, 883064, 1151137, 1239686, 1416784, 1766128, 2302274, 2479372, 2833568, 3532256, 4604548, 4958744, 8057959, 9209096, 9917488, 16115918, 18418192, 19834976, 32231836, 36836384, 64463672, 128927344, 257854688]

約数ペア:

[(1, 257854688), (2, 128927344), (4, 64463672), (7, 36836384), (8, 32231836), (13, 19834976), (14, 18418192), (16, 16115918), (26, 9917488), (28, 9209096), (32, 8057959), (52, 4958744), (56, 4604548), (73, 3532256), (91, 2833568), (104, 2479372), (112, 2302274), (146, 1766128), (182, 1416784), (208, 1239686), (224, 1151137), (292, 883064), (364, 708392), (416, 619843), (511, 504608), (584, 441532), (728, 354196), (949, 271712), (1022, 252304), (1168, 220766), (1213, 212576), (1456, 177098), (1898, 135856), (2044, 126152), (2336, 110383), (2426, 106288), (2912, 88549), (3796, 67928), (4088, 63076), (4852, 53144), (6643, 38816), (7592, 33964), (8176, 31538), (8491, 30368), (9704, 26572), (13286, 19408), (15184, 16982), (15769, 16352)]