61204871

素因数分解:

$7^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{389}}^1$

素因数の和:448

約数の個数: 36

約数和(自身を含む): 81361800

約数和(自身を除く): 20156929

約数列:

[1, 7, 13, 19, 49, 91, 133, 169, 247, 389, 637, 931, 1183, 1729, 2723, 3211, 5057, 7391, 8281, 12103, 19061, 22477, 35399, 51737, 65741, 96083, 157339, 247793, 362159, 460187, 672581, 1249079, 3221309, 4708067, 8743553, 61204871]

約数ペア:

[(1, 61204871), (7, 8743553), (13, 4708067), (19, 3221309), (49, 1249079), (91, 672581), (133, 460187), (169, 362159), (247, 247793), (389, 157339), (637, 96083), (931, 65741), (1183, 51737), (1729, 35399), (2723, 22477), (3211, 19061), (5057, 12103), (7391, 8281)]