238894999

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:212

約数の個数: 48

約数和(自身を含む): 313383168

約数和(自身を除く): 74488169

約数列:

[1, 7, 17, 19, 67, 83, 119, 133, 323, 361, 469, 581, 1139, 1273, 1411, 1577, 2261, 2527, 5561, 6137, 7973, 8911, 9877, 11039, 21641, 24187, 26809, 29963, 38927, 42959, 94537, 105659, 151487, 169309, 187663, 209741, 411179, 509371, 661759, 739613, 1796203, 2007521, 2878253, 3565597, 12573421, 14052647, 34127857, 238894999]

約数ペア:

[(1, 238894999), (7, 34127857), (17, 14052647), (19, 12573421), (67, 3565597), (83, 2878253), (119, 2007521), (133, 1796203), (323, 739613), (361, 661759), (469, 509371), (581, 411179), (1139, 209741), (1273, 187663), (1411, 169309), (1577, 151487), (2261, 105659), (2527, 94537), (5561, 42959), (6137, 38927), (7973, 29963), (8911, 26809), (9877, 24187), (11039, 21641)]