901991808

素因数分解:

$2^7\times 3^3\times {\mathrm{359}}^1\times {\mathrm{727}}^1$

素因数の和:1109

約数の個数: 128

約数和(自身を含む): 2673216000

約数和(自身を除く): 1771224192

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 96, 108, 128, 144, 192, 216, 288, 359, 384, 432, 576, 718, 727, 864, 1077, 1152, 1436, 1454, 1728, 2154, 2181, 2872, 2908, 3231, 3456, 4308, 4362, 5744, 5816, 6462, 6543, 8616, 8724, 9693, 11488, 11632, 12924, 13086, 17232, 17448, 19386, 19629, 22976, 23264, 25848, 26172, 34464, 34896, 38772, 39258, 45952, 46528, 51696, 52344, 68928, 69792, 77544, 78516, 93056, 103392, 104688, 137856, 139584, 155088, 157032, 206784, 209376, 260993, 279168, 310176, 314064, 413568, 418752, 521986, 620352, 628128, 782979, 837504, 1043972, 1240704, 1256256, 1565958, 2087944, 2348937, 2512512, 3131916, 4175888, 4697874, 6263832, 7046811, 8351776, 9395748, 12527664, 14093622, 16703552, 18791496, 25055328, 28187244, 33407104, 37582992, 50110656, 56374488, 75165984, 100221312, 112748976, 150331968, 225497952, 300663936, 450995904, 901991808]

約数ペア:

[(1, 901991808), (2, 450995904), (3, 300663936), (4, 225497952), (6, 150331968), (8, 112748976), (9, 100221312), (12, 75165984), (16, 56374488), (18, 50110656), (24, 37582992), (27, 33407104), (32, 28187244), (36, 25055328), (48, 18791496), (54, 16703552), (64, 14093622), (72, 12527664), (96, 9395748), (108, 8351776), (128, 7046811), (144, 6263832), (192, 4697874), (216, 4175888), (288, 3131916), (359, 2512512), (384, 2348937), (432, 2087944), (576, 1565958), (718, 1256256), (727, 1240704), (864, 1043972), (1077, 837504), (1152, 782979), (1436, 628128), (1454, 620352), (1728, 521986), (2154, 418752), (2181, 413568), (2872, 314064), (2908, 310176), (3231, 279168), (3456, 260993), (4308, 209376), (4362, 206784), (5744, 157032), (5816, 155088), (6462, 139584), (6543, 137856), (8616, 104688), (8724, 103392), (9693, 93056), (11488, 78516), (11632, 77544), (12924, 69792), (13086, 68928), (17232, 52344), (17448, 51696), (19386, 46528), (19629, 45952), (22976, 39258), (23264, 38772), (25848, 34896), (26172, 34464)]