1640440144

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{472477}}^1$

素因数の和:472523

約数の個数: 40

約数和(自身を含む): 3749585408

約数和(自身を除く): 2109145264

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 472477, 944954, 1889908, 3307339, 3779816, 6614678, 7559632, 13229356, 14646787, 26458712, 29293574, 52917424, 58587148, 102527509, 117174296, 205055018, 234348592, 410110036, 820220072, 1640440144]

約数ペア:

[(1, 1640440144), (2, 820220072), (4, 410110036), (7, 234348592), (8, 205055018), (14, 117174296), (16, 102527509), (28, 58587148), (31, 52917424), (56, 29293574), (62, 26458712), (112, 14646787), (124, 13229356), (217, 7559632), (248, 6614678), (434, 3779816), (496, 3307339), (868, 1889908), (1736, 944954), (3472, 472477)]