387942775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{619}}^1$

素因数の和:736

約数の個数: 48

約数和(自身を含む): 548000640

約数和(自身を除く): 160057865

約数列:

[1, 5, 11, 25, 43, 53, 55, 215, 265, 275, 473, 583, 619, 1075, 1325, 2279, 2365, 2915, 3095, 6809, 11395, 11825, 14575, 15475, 25069, 26617, 32807, 34045, 56975, 125345, 133085, 164035, 170225, 292787, 360877, 626725, 665425, 820175, 1410701, 1463935, 1804385, 7053505, 7319675, 9021925, 15517711, 35267525, 77588555, 387942775]

約数ペア:

[(1, 387942775), (5, 77588555), (11, 35267525), (25, 15517711), (43, 9021925), (53, 7319675), (55, 7053505), (215, 1804385), (265, 1463935), (275, 1410701), (473, 820175), (583, 665425), (619, 626725), (1075, 360877), (1325, 292787), (2279, 170225), (2365, 164035), (2915, 133085), (3095, 125345), (6809, 56975), (11395, 34045), (11825, 32807), (14575, 26617), (15475, 25069)]