28709408

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{9859}}^1$

素因数の和:9889

約数の個数: 48

約数和(自身を含む): 69572160

約数和(自身を除く): 40862752

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, 9859, 19718, 39436, 69013, 78872, 128167, 138026, 157744, 256334, 276052, 315488, 512668, 552104, 897169, 1025336, 1104208, 1794338, 2050672, 2208416, 3588676, 4101344, 7177352, 14354704, 28709408]

約数ペア:

[(1, 28709408), (2, 14354704), (4, 7177352), (7, 4101344), (8, 3588676), (13, 2208416), (14, 2050672), (16, 1794338), (26, 1104208), (28, 1025336), (32, 897169), (52, 552104), (56, 512668), (91, 315488), (104, 276052), (112, 256334), (182, 157744), (208, 138026), (224, 128167), (364, 78872), (416, 69013), (728, 39436), (1456, 19718), (2912, 9859)]