220874836

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{7681}}^1$

素因数の和:7784

約数の個数: 48

約数和(自身を含む): 481815040

約数和(自身を除く): 260940204

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 79, 91, 158, 182, 316, 364, 553, 1027, 1106, 2054, 2212, 4108, 7189, 7681, 14378, 15362, 28756, 30724, 53767, 99853, 107534, 199706, 215068, 399412, 606799, 698971, 1213598, 1397942, 2427196, 2795884, 4247593, 7888387, 8495186, 15776774, 16990372, 31553548, 55218709, 110437418, 220874836]

約数ペア:

[(1, 220874836), (2, 110437418), (4, 55218709), (7, 31553548), (13, 16990372), (14, 15776774), (26, 8495186), (28, 7888387), (52, 4247593), (79, 2795884), (91, 2427196), (158, 1397942), (182, 1213598), (316, 698971), (364, 606799), (553, 399412), (1027, 215068), (1106, 199706), (2054, 107534), (2212, 99853), (4108, 53767), (7189, 30724), (7681, 28756), (14378, 15362)]