28658756

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{241}}^1$

素因数の和:420

約数の個数: 48

約数和(自身を含む): 59845632

約数和(自身を除く): 31186876

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 137, 217, 241, 274, 434, 482, 548, 868, 959, 964, 1687, 1918, 3374, 3836, 4247, 6748, 7471, 8494, 14942, 16988, 29729, 29884, 33017, 52297, 59458, 66034, 104594, 118916, 132068, 209188, 231119, 462238, 924476, 1023527, 2047054, 4094108, 7164689, 14329378, 28658756]

約数ペア:

[(1, 28658756), (2, 14329378), (4, 7164689), (7, 4094108), (14, 2047054), (28, 1023527), (31, 924476), (62, 462238), (124, 231119), (137, 209188), (217, 132068), (241, 118916), (274, 104594), (434, 66034), (482, 59458), (548, 52297), (868, 33017), (959, 29884), (964, 29729), (1687, 16988), (1918, 14942), (3374, 8494), (3836, 7471), (4247, 6748)]