687120928

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{1009}}^1\times {\mathrm{1637}}^1$

素因数の和:2669

約数の個数: 48

約数和(自身を含む): 1459163160

約数和(自身を除く): 772042232

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 1009, 1637, 2018, 3274, 4036, 6548, 8072, 13096, 13117, 16144, 21281, 26192, 26234, 32288, 42562, 52384, 52468, 85124, 104936, 170248, 209872, 340496, 419744, 680992, 1651733, 3303466, 6606932, 13213864, 21472529, 26427728, 42945058, 52855456, 85890116, 171780232, 343560464, 687120928]

約数ペア:

[(1, 687120928), (2, 343560464), (4, 171780232), (8, 85890116), (13, 52855456), (16, 42945058), (26, 26427728), (32, 21472529), (52, 13213864), (104, 6606932), (208, 3303466), (416, 1651733), (1009, 680992), (1637, 419744), (2018, 340496), (3274, 209872), (4036, 170248), (6548, 104936), (8072, 85124), (13096, 52468), (13117, 52384), (16144, 42562), (21281, 32288), (26192, 26234)]