64821610

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{263}}^1\times {\mathrm{503}}^1$

素因数の和:787

約数の個数: 48

約数和(自身を含む): 136515456

約数和(自身を除く): 71693846

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 263, 490, 503, 526, 1006, 1315, 1841, 2515, 2630, 3521, 3682, 5030, 7042, 9205, 12887, 17605, 18410, 24647, 25774, 35210, 49294, 64435, 123235, 128870, 132289, 246470, 264578, 661445, 926023, 1322890, 1852046, 4630115, 6482161, 9260230, 12964322, 32410805, 64821610]

約数ペア:

[(1, 64821610), (2, 32410805), (5, 12964322), (7, 9260230), (10, 6482161), (14, 4630115), (35, 1852046), (49, 1322890), (70, 926023), (98, 661445), (245, 264578), (263, 246470), (490, 132289), (503, 128870), (526, 123235), (1006, 64435), (1315, 49294), (1841, 35210), (2515, 25774), (2630, 24647), (3521, 18410), (3682, 17605), (5030, 12887), (7042, 9205)]