1999824385

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{263}}^1$

素因数の和:478

約数の個数: 64

約数和(自身を含む): 2810142720

約数和(自身を除く): 810318335

約数列:

[1, 5, 13, 19, 47, 65, 95, 131, 235, 247, 263, 611, 655, 893, 1235, 1315, 1703, 2489, 3055, 3419, 4465, 4997, 6157, 8515, 11609, 12361, 12445, 17095, 24985, 30785, 32357, 34453, 58045, 61805, 64961, 80041, 116983, 160693, 161785, 172265, 234859, 324805, 400205, 447889, 584915, 654607, 803465, 1174295, 1520779, 1619291, 2239445, 3053167, 3273035, 7603895, 8096455, 8509891, 15265835, 21050783, 30766529, 42549455, 105253915, 153832645, 399964877, 1999824385]

約数ペア:

[(1, 1999824385), (5, 399964877), (13, 153832645), (19, 105253915), (47, 42549455), (65, 30766529), (95, 21050783), (131, 15265835), (235, 8509891), (247, 8096455), (263, 7603895), (611, 3273035), (655, 3053167), (893, 2239445), (1235, 1619291), (1315, 1520779), (1703, 1174295), (2489, 803465), (3055, 654607), (3419, 584915), (4465, 447889), (4997, 400205), (6157, 324805), (8515, 234859), (11609, 172265), (12361, 161785), (12445, 160693), (17095, 116983), (24985, 80041), (30785, 64961), (32357, 61805), (34453, 58045)]