388763984

素因数分解:

$2^4\times 7^1\times {\mathrm{131}}^1\times {\mathrm{26497}}^1$

素因数の和:26643

約数の個数: 40

約数和(自身を含む): 867438528

約数和(自身を除く): 478674544

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 131, 262, 524, 917, 1048, 1834, 2096, 3668, 7336, 14672, 26497, 52994, 105988, 185479, 211976, 370958, 423952, 741916, 1483832, 2967664, 3471107, 6942214, 13884428, 24297749, 27768856, 48595498, 55537712, 97190996, 194381992, 388763984]

約数ペア:

[(1, 388763984), (2, 194381992), (4, 97190996), (7, 55537712), (8, 48595498), (14, 27768856), (16, 24297749), (28, 13884428), (56, 6942214), (112, 3471107), (131, 2967664), (262, 1483832), (524, 741916), (917, 423952), (1048, 370958), (1834, 211976), (2096, 185479), (3668, 105988), (7336, 52994), (14672, 26497)]