81057184

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{719}}^1$

素因数の和:1013

約数の個数: 48

約数和(自身を含む): 172730880

約数和(自身を除く): 91673696

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 271, 416, 542, 719, 1084, 1438, 2168, 2876, 3523, 4336, 5752, 7046, 8672, 9347, 11504, 14092, 18694, 23008, 28184, 37388, 56368, 74776, 112736, 149552, 194849, 299104, 389698, 779396, 1558792, 2533037, 3117584, 5066074, 6235168, 10132148, 20264296, 40528592, 81057184]

約数ペア:

[(1, 81057184), (2, 40528592), (4, 20264296), (8, 10132148), (13, 6235168), (16, 5066074), (26, 3117584), (32, 2533037), (52, 1558792), (104, 779396), (208, 389698), (271, 299104), (416, 194849), (542, 149552), (719, 112736), (1084, 74776), (1438, 56368), (2168, 37388), (2876, 28184), (3523, 23008), (4336, 18694), (5752, 14092), (7046, 11504), (8672, 9347)]