248310335

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{28723}}^1$

素因数の和:28767

約数の個数: 32

約数和(自身を含む): 386050560

約数和(自身を除く): 137740225

約数列:

[1, 5, 7, 13, 19, 35, 65, 91, 95, 133, 247, 455, 665, 1235, 1729, 8645, 28723, 143615, 201061, 373399, 545737, 1005305, 1866995, 2613793, 2728685, 3820159, 7094581, 13068965, 19100795, 35472905, 49662067, 248310335]

約数ペア:

[(1, 248310335), (5, 49662067), (7, 35472905), (13, 19100795), (19, 13068965), (35, 7094581), (65, 3820159), (91, 2728685), (95, 2613793), (133, 1866995), (247, 1005305), (455, 545737), (665, 373399), (1235, 201061), (1729, 143615), (8645, 28723)]