25697984

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{461}}^1$

素因数の和:553

約数の個数: 56

約数和(自身を含む): 55857648

約数和(自身を除く): 30159664

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 67, 104, 134, 208, 268, 416, 461, 536, 832, 871, 922, 1072, 1742, 1844, 2144, 3484, 3688, 4288, 5993, 6968, 7376, 11986, 13936, 14752, 23972, 27872, 29504, 30887, 47944, 55744, 61774, 95888, 123548, 191776, 247096, 383552, 401531, 494192, 803062, 988384, 1606124, 1976768, 3212248, 6424496, 12848992, 25697984]

約数ペア:

[(1, 25697984), (2, 12848992), (4, 6424496), (8, 3212248), (13, 1976768), (16, 1606124), (26, 988384), (32, 803062), (52, 494192), (64, 401531), (67, 383552), (104, 247096), (134, 191776), (208, 123548), (268, 95888), (416, 61774), (461, 55744), (536, 47944), (832, 30887), (871, 29504), (922, 27872), (1072, 23972), (1742, 14752), (1844, 13936), (2144, 11986), (3484, 7376), (3688, 6968), (4288, 5993)]