15678420128

素因数分解:

$2^5\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2257837}}^1$

素因数の和:2257885

約数の個数: 48

約数和(自身を含む): 36414411264

約数和(自身を除く): 20735991136

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 112, 124, 217, 224, 248, 434, 496, 868, 992, 1736, 3472, 6944, 2257837, 4515674, 9031348, 15804859, 18062696, 31609718, 36125392, 63219436, 69992947, 72250784, 126438872, 139985894, 252877744, 279971788, 489950629, 505755488, 559943576, 979901258, 1119887152, 1959802516, 2239774304, 3919605032, 7839210064, 15678420128]

約数ペア:

[(1, 15678420128), (2, 7839210064), (4, 3919605032), (7, 2239774304), (8, 1959802516), (14, 1119887152), (16, 979901258), (28, 559943576), (31, 505755488), (32, 489950629), (56, 279971788), (62, 252877744), (112, 139985894), (124, 126438872), (217, 72250784), (224, 69992947), (248, 63219436), (434, 36125392), (496, 31609718), (868, 18062696), (992, 15804859), (1736, 9031348), (3472, 4515674), (6944, 2257837)]