30993655

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{223}}^1$

素因数の和:284

約数の個数: 48

約数和(自身を含む): 49158144

約数和(自身を除く): 18164489

約数列:

[1, 5, 7, 11, 19, 35, 55, 77, 95, 133, 209, 223, 361, 385, 665, 1045, 1115, 1463, 1561, 1805, 2453, 2527, 3971, 4237, 7315, 7805, 12265, 12635, 17171, 19855, 21185, 27797, 29659, 46607, 80503, 85855, 138985, 148295, 233035, 326249, 402515, 563521, 885533, 1631245, 2817605, 4427665, 6198731, 30993655]

約数ペア:

[(1, 30993655), (5, 6198731), (7, 4427665), (11, 2817605), (19, 1631245), (35, 885533), (55, 563521), (77, 402515), (95, 326249), (133, 233035), (209, 148295), (223, 138985), (361, 85855), (385, 80503), (665, 46607), (1045, 29659), (1115, 27797), (1463, 21185), (1561, 19855), (1805, 17171), (2453, 12635), (2527, 12265), (3971, 7805), (4237, 7315)]