217469186

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{439}}^1$

素因数の和:575

約数の個数: 48

約数和(自身を含む): 379209600

約数和(自身を除く): 161740414

約数列:

[1, 2, 11, 22, 23, 46, 89, 121, 178, 242, 253, 439, 506, 878, 979, 1958, 2047, 2783, 4094, 4829, 5566, 9658, 10097, 10769, 20194, 21538, 22517, 39071, 45034, 53119, 78142, 106238, 111067, 222134, 247687, 429781, 495374, 859562, 898633, 1221737, 1797266, 2443474, 4727591, 9455182, 9884963, 19769926, 108734593, 217469186]

約数ペア:

[(1, 217469186), (2, 108734593), (11, 19769926), (22, 9884963), (23, 9455182), (46, 4727591), (89, 2443474), (121, 1797266), (178, 1221737), (242, 898633), (253, 859562), (439, 495374), (506, 429781), (878, 247687), (979, 222134), (1958, 111067), (2047, 106238), (2783, 78142), (4094, 53119), (4829, 45034), (5566, 39071), (9658, 22517), (10097, 21538), (10769, 20194)]