131531008

素因数分解:

$2^8\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2531}}^1$

素因数の和:2583

約数の個数: 72

約数和(自身を含む): 310524480

約数和(自身を除く): 178993472

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 56, 58, 64, 112, 116, 128, 203, 224, 232, 256, 406, 448, 464, 812, 896, 928, 1624, 1792, 1856, 2531, 3248, 3712, 5062, 6496, 7424, 10124, 12992, 17717, 20248, 25984, 35434, 40496, 51968, 70868, 73399, 80992, 141736, 146798, 161984, 283472, 293596, 323968, 513793, 566944, 587192, 647936, 1027586, 1133888, 1174384, 2055172, 2267776, 2348768, 4110344, 4535552, 4697536, 8220688, 9395072, 16441376, 18790144, 32882752, 65765504, 131531008]

約数ペア:

[(1, 131531008), (2, 65765504), (4, 32882752), (7, 18790144), (8, 16441376), (14, 9395072), (16, 8220688), (28, 4697536), (29, 4535552), (32, 4110344), (56, 2348768), (58, 2267776), (64, 2055172), (112, 1174384), (116, 1133888), (128, 1027586), (203, 647936), (224, 587192), (232, 566944), (256, 513793), (406, 323968), (448, 293596), (464, 283472), (812, 161984), (896, 146798), (928, 141736), (1624, 80992), (1792, 73399), (1856, 70868), (2531, 51968), (3248, 40496), (3712, 35434), (5062, 25984), (6496, 20248), (7424, 17717), (10124, 12992)]