28367768

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{181}}^1$

素因数の和:348

約数の個数: 64

約数和(自身を含む): 63292320

約数和(自身を除く): 34924552

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 137, 143, 181, 274, 286, 362, 548, 572, 724, 1096, 1144, 1448, 1507, 1781, 1991, 2353, 3014, 3562, 3982, 4706, 6028, 7124, 7964, 9412, 12056, 14248, 15928, 18824, 19591, 24797, 25883, 39182, 49594, 51766, 78364, 99188, 103532, 156728, 198376, 207064, 272767, 322361, 545534, 644722, 1091068, 1289444, 2182136, 2578888, 3545971, 7091942, 14183884, 28367768]

約数ペア:

[(1, 28367768), (2, 14183884), (4, 7091942), (8, 3545971), (11, 2578888), (13, 2182136), (22, 1289444), (26, 1091068), (44, 644722), (52, 545534), (88, 322361), (104, 272767), (137, 207064), (143, 198376), (181, 156728), (274, 103532), (286, 99188), (362, 78364), (548, 51766), (572, 49594), (724, 39182), (1096, 25883), (1144, 24797), (1448, 19591), (1507, 18824), (1781, 15928), (1991, 14248), (2353, 12056), (3014, 9412), (3562, 7964), (3982, 7124), (4706, 6028)]