256747904

素因数分解:

$2^7\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{241}}^1$

素因数の和:332

約数の個数: 128

約数和(自身を含む): 622036800

約数和(自身を除く): 365288896

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 41, 56, 58, 64, 82, 112, 116, 128, 164, 203, 224, 232, 241, 287, 328, 406, 448, 464, 482, 574, 656, 812, 896, 928, 964, 1148, 1189, 1312, 1624, 1687, 1856, 1928, 2296, 2378, 2624, 3248, 3374, 3712, 3856, 4592, 4756, 5248, 6496, 6748, 6989, 7712, 8323, 9184, 9512, 9881, 12992, 13496, 13978, 15424, 16646, 18368, 19024, 19762, 25984, 26992, 27956, 30848, 33292, 36736, 38048, 39524, 48923, 53984, 55912, 66584, 69167, 76096, 79048, 97846, 107968, 111824, 133168, 138334, 152192, 158096, 195692, 215936, 223648, 266336, 276668, 286549, 316192, 391384, 447296, 532672, 553336, 573098, 632384, 782768, 894592, 1065344, 1106672, 1146196, 1264768, 1565536, 2005843, 2213344, 2292392, 3131072, 4011686, 4426688, 4584784, 6262144, 8023372, 8853376, 9169568, 16046744, 18339136, 32093488, 36678272, 64186976, 128373952, 256747904]

約数ペア:

[(1, 256747904), (2, 128373952), (4, 64186976), (7, 36678272), (8, 32093488), (14, 18339136), (16, 16046744), (28, 9169568), (29, 8853376), (32, 8023372), (41, 6262144), (56, 4584784), (58, 4426688), (64, 4011686), (82, 3131072), (112, 2292392), (116, 2213344), (128, 2005843), (164, 1565536), (203, 1264768), (224, 1146196), (232, 1106672), (241, 1065344), (287, 894592), (328, 782768), (406, 632384), (448, 573098), (464, 553336), (482, 532672), (574, 447296), (656, 391384), (812, 316192), (896, 286549), (928, 276668), (964, 266336), (1148, 223648), (1189, 215936), (1312, 195692), (1624, 158096), (1687, 152192), (1856, 138334), (1928, 133168), (2296, 111824), (2378, 107968), (2624, 97846), (3248, 79048), (3374, 76096), (3712, 69167), (3856, 66584), (4592, 55912), (4756, 53984), (5248, 48923), (6496, 39524), (6748, 38048), (6989, 36736), (7712, 33292), (8323, 30848), (9184, 27956), (9512, 26992), (9881, 25984), (12992, 19762), (13496, 19024), (13978, 18368), (15424, 16646)]