646038016

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{101}}^1$

素因数の和:194

約数の個数: 120

約数和(自身を含む): 1450618092

約数和(自身を除く): 804580076

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 101, 104, 124, 128, 202, 208, 248, 256, 403, 404, 416, 496, 512, 806, 808, 832, 961, 992, 1313, 1612, 1616, 1664, 1922, 1984, 2626, 3131, 3224, 3232, 3328, 3844, 3968, 5252, 6262, 6448, 6464, 6656, 7688, 7936, 10504, 12493, 12524, 12896, 12928, 15376, 15872, 21008, 24986, 25048, 25792, 25856, 30752, 40703, 42016, 49972, 50096, 51584, 51712, 61504, 81406, 84032, 97061, 99944, 100192, 103168, 123008, 162812, 168064, 194122, 199888, 200384, 206336, 246016, 325624, 336128, 388244, 399776, 400768, 492032, 651248, 672256, 776488, 799552, 801536, 1261793, 1302496, 1552976, 1599104, 1603072, 2523586, 2604992, 3105952, 3198208, 5047172, 5209984, 6211904, 6396416, 10094344, 10419968, 12423808, 20188688, 20839936, 24847616, 40377376, 49695232, 80754752, 161509504, 323019008, 646038016]

約数ペア:

[(1, 646038016), (2, 323019008), (4, 161509504), (8, 80754752), (13, 49695232), (16, 40377376), (26, 24847616), (31, 20839936), (32, 20188688), (52, 12423808), (62, 10419968), (64, 10094344), (101, 6396416), (104, 6211904), (124, 5209984), (128, 5047172), (202, 3198208), (208, 3105952), (248, 2604992), (256, 2523586), (403, 1603072), (404, 1599104), (416, 1552976), (496, 1302496), (512, 1261793), (806, 801536), (808, 799552), (832, 776488), (961, 672256), (992, 651248), (1313, 492032), (1612, 400768), (1616, 399776), (1664, 388244), (1922, 336128), (1984, 325624), (2626, 246016), (3131, 206336), (3224, 200384), (3232, 199888), (3328, 194122), (3844, 168064), (3968, 162812), (5252, 123008), (6262, 103168), (6448, 100192), (6464, 99944), (6656, 97061), (7688, 84032), (7936, 81406), (10504, 61504), (12493, 51712), (12524, 51584), (12896, 50096), (12928, 49972), (15376, 42016), (15872, 40703), (21008, 30752), (24986, 25856), (25048, 25792)]