638753904

素因数分解:

$2^4\times 3^3\times {\mathrm{131}}^1\times {\mathrm{11287}}^1$

素因数の和:11435

約数の個数: 80

約数和(自身を含む): 1847619840

約数和(自身を除く): 1208865936

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 131, 144, 216, 262, 393, 432, 524, 786, 1048, 1179, 1572, 2096, 2358, 3144, 3537, 4716, 6288, 7074, 9432, 11287, 14148, 18864, 22574, 28296, 33861, 45148, 56592, 67722, 90296, 101583, 135444, 180592, 203166, 270888, 304749, 406332, 541776, 609498, 812664, 1218996, 1478597, 1625328, 2437992, 2957194, 4435791, 4875984, 5914388, 8871582, 11828776, 13307373, 17743164, 23657552, 26614746, 35486328, 39922119, 53229492, 70972656, 79844238, 106458984, 159688476, 212917968, 319376952, 638753904]

約数ペア:

[(1, 638753904), (2, 319376952), (3, 212917968), (4, 159688476), (6, 106458984), (8, 79844238), (9, 70972656), (12, 53229492), (16, 39922119), (18, 35486328), (24, 26614746), (27, 23657552), (36, 17743164), (48, 13307373), (54, 11828776), (72, 8871582), (108, 5914388), (131, 4875984), (144, 4435791), (216, 2957194), (262, 2437992), (393, 1625328), (432, 1478597), (524, 1218996), (786, 812664), (1048, 609498), (1179, 541776), (1572, 406332), (2096, 304749), (2358, 270888), (3144, 203166), (3537, 180592), (4716, 135444), (6288, 101583), (7074, 90296), (9432, 67722), (11287, 56592), (14148, 45148), (18864, 33861), (22574, 28296)]