1328256256

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{383}}^1$

素因数の和:472

約数の個数: 144

約数和(自身を含む): 3014000640

約数和(自身を除く): 1685744384

約数列:

[1, 2, 4, 8, 16, 19, 23, 31, 32, 38, 46, 62, 64, 76, 92, 124, 128, 152, 184, 248, 256, 304, 368, 383, 437, 496, 589, 608, 713, 736, 766, 874, 992, 1178, 1216, 1426, 1472, 1532, 1748, 1984, 2356, 2432, 2852, 2944, 3064, 3496, 3968, 4712, 4864, 5704, 5888, 6128, 6992, 7277, 7936, 8809, 9424, 11408, 11873, 12256, 13547, 13984, 14554, 17618, 18848, 22816, 23746, 24512, 27094, 27968, 29108, 35236, 37696, 45632, 47492, 49024, 54188, 55936, 58216, 70472, 75392, 91264, 94984, 98048, 108376, 111872, 116432, 140944, 150784, 167371, 182528, 189968, 216752, 225587, 232864, 273079, 281888, 334742, 379936, 433504, 451174, 465728, 546158, 563776, 669484, 759872, 867008, 902348, 931456, 1092316, 1127552, 1338968, 1519744, 1734016, 1804696, 1862912, 2184632, 2255104, 2677936, 3039488, 3468032, 3609392, 4369264, 5188501, 5355872, 7218784, 8738528, 10377002, 10711744, 14437568, 17477056, 20754004, 21423488, 28875136, 34954112, 41508008, 42846976, 57750272, 69908224, 83016016, 166032032, 332064064, 664128128, 1328256256]

約数ペア:

[(1, 1328256256), (2, 664128128), (4, 332064064), (8, 166032032), (16, 83016016), (19, 69908224), (23, 57750272), (31, 42846976), (32, 41508008), (38, 34954112), (46, 28875136), (62, 21423488), (64, 20754004), (76, 17477056), (92, 14437568), (124, 10711744), (128, 10377002), (152, 8738528), (184, 7218784), (248, 5355872), (256, 5188501), (304, 4369264), (368, 3609392), (383, 3468032), (437, 3039488), (496, 2677936), (589, 2255104), (608, 2184632), (713, 1862912), (736, 1804696), (766, 1734016), (874, 1519744), (992, 1338968), (1178, 1127552), (1216, 1092316), (1426, 931456), (1472, 902348), (1532, 867008), (1748, 759872), (1984, 669484), (2356, 563776), (2432, 546158), (2852, 465728), (2944, 451174), (3064, 433504), (3496, 379936), (3968, 334742), (4712, 281888), (4864, 273079), (5704, 232864), (5888, 225587), (6128, 216752), (6992, 189968), (7277, 182528), (7936, 167371), (8809, 150784), (9424, 140944), (11408, 116432), (11873, 111872), (12256, 108376), (13547, 98048), (13984, 94984), (14554, 91264), (17618, 75392), (18848, 70472), (22816, 58216), (23746, 55936), (24512, 54188), (27094, 49024), (27968, 47492), (29108, 45632), (35236, 37696)]