28080416

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{9643}}^1$

素因数の和:9673

約数の個数: 48

約数和(自身を含む): 68048064

約数和(自身を除く): 39967648

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 208, 224, 364, 416, 728, 1456, 2912, 9643, 19286, 38572, 67501, 77144, 125359, 135002, 154288, 250718, 270004, 308576, 501436, 540008, 877513, 1002872, 1080016, 1755026, 2005744, 2160032, 3510052, 4011488, 7020104, 14040208, 28080416]

約数ペア:

[(1, 28080416), (2, 14040208), (4, 7020104), (7, 4011488), (8, 3510052), (13, 2160032), (14, 2005744), (16, 1755026), (26, 1080016), (28, 1002872), (32, 877513), (52, 540008), (56, 501436), (91, 308576), (104, 270004), (112, 250718), (182, 154288), (208, 135002), (224, 125359), (364, 77144), (416, 67501), (728, 38572), (1456, 19286), (2912, 9643)]