16561930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:319

約数の個数: 64

約数和(自身を含む): 37677312

約数和(自身を除く): 21115382

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 137, 154, 157, 274, 314, 385, 685, 770, 785, 959, 1099, 1370, 1507, 1570, 1727, 1918, 2198, 3014, 3454, 4795, 5495, 7535, 8635, 9590, 10549, 10990, 12089, 15070, 17270, 21098, 21509, 24178, 43018, 52745, 60445, 105490, 107545, 120890, 150563, 215090, 236599, 301126, 473198, 752815, 1182995, 1505630, 1656193, 2365990, 3312386, 8280965, 16561930]

約数ペア:

[(1, 16561930), (2, 8280965), (5, 3312386), (7, 2365990), (10, 1656193), (11, 1505630), (14, 1182995), (22, 752815), (35, 473198), (55, 301126), (70, 236599), (77, 215090), (110, 150563), (137, 120890), (154, 107545), (157, 105490), (274, 60445), (314, 52745), (385, 43018), (685, 24178), (770, 21509), (785, 21098), (959, 17270), (1099, 15070), (1370, 12089), (1507, 10990), (1570, 10549), (1727, 9590), (1918, 8635), (2198, 7535), (3014, 5495), (3454, 4795)]