28156856

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{38677}}^1$

素因数の和:38703

約数の個数: 32

約数和(自身を含む): 64979040

約数和(自身を除く): 36822184

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 38677, 77354, 154708, 270739, 309416, 502801, 541478, 1005602, 1082956, 2011204, 2165912, 3519607, 4022408, 7039214, 14078428, 28156856]

約数ペア:

[(1, 28156856), (2, 14078428), (4, 7039214), (7, 4022408), (8, 3519607), (13, 2165912), (14, 2011204), (26, 1082956), (28, 1005602), (52, 541478), (56, 502801), (91, 309416), (104, 270739), (182, 154708), (364, 77354), (728, 38677)]