216353774

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{1237}}^1$

素因数の和:1321

約数の個数: 48

約数和(自身を含む): 413056224

約数和(自身を除く): 196702450

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 91, 182, 217, 403, 434, 806, 961, 1237, 1922, 2474, 2821, 5642, 6727, 8659, 12493, 13454, 16081, 17318, 24986, 32162, 38347, 76694, 87451, 112567, 174902, 225134, 268429, 498511, 536858, 997022, 1188757, 2377514, 3489577, 6979154, 8321299, 15453841, 16642598, 30907682, 108176887, 216353774]

約数ペア:

[(1, 216353774), (2, 108176887), (7, 30907682), (13, 16642598), (14, 15453841), (26, 8321299), (31, 6979154), (62, 3489577), (91, 2377514), (182, 1188757), (217, 997022), (403, 536858), (434, 498511), (806, 268429), (961, 225134), (1237, 174902), (1922, 112567), (2474, 87451), (2821, 76694), (5642, 38347), (6727, 32162), (8659, 24986), (12493, 17318), (13454, 16081)]