257775280256

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{7549}}^1\times {\mathrm{20521}}^1$

素因数の和:28097

約数の個数: 64

約数和(自身を含む): 553139727000

約数和(自身を除く): 295364446744

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 7549, 15098, 20521, 30196, 41042, 60392, 82084, 98137, 120784, 164168, 196274, 241568, 266773, 328336, 392548, 483136, 533546, 656672, 785096, 966272, 1067092, 1313344, 1570192, 2134184, 2626688, 3140384, 4268368, 6280768, 8536736, 12561536, 17073472, 34146944, 154913029, 309826058, 619652116, 1239304232, 2013869377, 2478608464, 4027738754, 4957216928, 8055477508, 9914433856, 16110955016, 19828867712, 32221910032, 64443820064, 128887640128, 257775280256]

約数ペア:

[(1, 257775280256), (2, 128887640128), (4, 64443820064), (8, 32221910032), (13, 19828867712), (16, 16110955016), (26, 9914433856), (32, 8055477508), (52, 4957216928), (64, 4027738754), (104, 2478608464), (128, 2013869377), (208, 1239304232), (416, 619652116), (832, 309826058), (1664, 154913029), (7549, 34146944), (15098, 17073472), (20521, 12561536), (30196, 8536736), (41042, 6280768), (60392, 4268368), (82084, 3140384), (98137, 2626688), (120784, 2134184), (164168, 1570192), (196274, 1313344), (241568, 1067092), (266773, 966272), (328336, 785096), (392548, 656672), (483136, 533546)]