1984660912

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{257}}^1\times {\mathrm{271}}^1$

素因数の和:686

約数の個数: 80

約数和(自身を含む): 4202980992

約数和(自身を除く): 2218320080

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 137, 208, 257, 271, 274, 514, 542, 548, 1028, 1084, 1096, 1781, 2056, 2168, 2192, 3341, 3523, 3562, 4112, 4336, 6682, 7046, 7124, 13364, 14092, 14248, 26728, 28184, 28496, 35209, 37127, 53456, 56368, 69647, 70418, 74254, 139294, 140836, 148508, 278588, 281672, 297016, 457717, 482651, 557176, 563344, 594032, 905411, 915434, 965302, 1114352, 1810822, 1830868, 1930604, 3621644, 3661736, 3861208, 7243288, 7323472, 7722416, 9541639, 14486576, 19083278, 38166556, 76333112, 124041307, 152666224, 248082614, 496165228, 992330456, 1984660912]

約数ペア:

[(1, 1984660912), (2, 992330456), (4, 496165228), (8, 248082614), (13, 152666224), (16, 124041307), (26, 76333112), (52, 38166556), (104, 19083278), (137, 14486576), (208, 9541639), (257, 7722416), (271, 7323472), (274, 7243288), (514, 3861208), (542, 3661736), (548, 3621644), (1028, 1930604), (1084, 1830868), (1096, 1810822), (1781, 1114352), (2056, 965302), (2168, 915434), (2192, 905411), (3341, 594032), (3523, 563344), (3562, 557176), (4112, 482651), (4336, 457717), (6682, 297016), (7046, 281672), (7124, 278588), (13364, 148508), (14092, 140836), (14248, 139294), (26728, 74254), (28184, 70418), (28496, 69647), (35209, 56368), (37127, 53456)]