639764736

素因数分解:

$2^8\times 3^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{461}}^1$

素因数の和:632

約数の個数: 144

約数和(自身を含む): 1850882880

約数和(自身を除く): 1211118144

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 128, 139, 156, 192, 208, 256, 278, 312, 384, 416, 417, 461, 556, 624, 768, 832, 834, 922, 1112, 1248, 1383, 1664, 1668, 1807, 1844, 2224, 2496, 2766, 3328, 3336, 3614, 3688, 4448, 4992, 5421, 5532, 5993, 6672, 7228, 7376, 8896, 9984, 10842, 11064, 11986, 13344, 14456, 14752, 17792, 17979, 21684, 22128, 23972, 26688, 28912, 29504, 35584, 35958, 43368, 44256, 47944, 53376, 57824, 59008, 64079, 71916, 86736, 88512, 95888, 106752, 115648, 118016, 128158, 143832, 173472, 177024, 191776, 192237, 231296, 256316, 287664, 346944, 354048, 383552, 384474, 462592, 512632, 575328, 693888, 767104, 768948, 833027, 1025264, 1150656, 1387776, 1534208, 1537896, 1666054, 2050528, 2301312, 2499081, 3075792, 3332108, 4101056, 4602624, 4998162, 6151584, 6664216, 8202112, 9996324, 12303168, 13328432, 16404224, 19992648, 24606336, 26656864, 39985296, 49212672, 53313728, 79970592, 106627456, 159941184, 213254912, 319882368, 639764736]

約数ペア:

[(1, 639764736), (2, 319882368), (3, 213254912), (4, 159941184), (6, 106627456), (8, 79970592), (12, 53313728), (13, 49212672), (16, 39985296), (24, 26656864), (26, 24606336), (32, 19992648), (39, 16404224), (48, 13328432), (52, 12303168), (64, 9996324), (78, 8202112), (96, 6664216), (104, 6151584), (128, 4998162), (139, 4602624), (156, 4101056), (192, 3332108), (208, 3075792), (256, 2499081), (278, 2301312), (312, 2050528), (384, 1666054), (416, 1537896), (417, 1534208), (461, 1387776), (556, 1150656), (624, 1025264), (768, 833027), (832, 768948), (834, 767104), (922, 693888), (1112, 575328), (1248, 512632), (1383, 462592), (1664, 384474), (1668, 383552), (1807, 354048), (1844, 346944), (2224, 287664), (2496, 256316), (2766, 231296), (3328, 192237), (3336, 191776), (3614, 177024), (3688, 173472), (4448, 143832), (4992, 128158), (5421, 118016), (5532, 115648), (5993, 106752), (6672, 95888), (7228, 88512), (7376, 86736), (8896, 71916), (9984, 64079), (10842, 59008), (11064, 57824), (11986, 53376), (13344, 47944), (14456, 44256), (14752, 43368), (17792, 35958), (17979, 35584), (21684, 29504), (22128, 28912), (23972, 26688)]