1681193488

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{2053}}^1$

素因数の和:2232

約数の個数: 80

約数和(自身を含む): 3651321856

約数和(自身を除く): 1970128368

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 127, 208, 248, 254, 403, 496, 508, 806, 1016, 1612, 1651, 2032, 2053, 3224, 3302, 3937, 4106, 6448, 6604, 7874, 8212, 13208, 15748, 16424, 26416, 26689, 31496, 32848, 51181, 53378, 62992, 63643, 102362, 106756, 127286, 204724, 213512, 254572, 260731, 409448, 427024, 509144, 521462, 818896, 827359, 1018288, 1042924, 1654718, 2085848, 3309436, 3389503, 4171696, 6618872, 6779006, 8082661, 13237744, 13558012, 16165322, 27116024, 32330644, 54232048, 64661288, 105074593, 129322576, 210149186, 420298372, 840596744, 1681193488]

約数ペア:

[(1, 1681193488), (2, 840596744), (4, 420298372), (8, 210149186), (13, 129322576), (16, 105074593), (26, 64661288), (31, 54232048), (52, 32330644), (62, 27116024), (104, 16165322), (124, 13558012), (127, 13237744), (208, 8082661), (248, 6779006), (254, 6618872), (403, 4171696), (496, 3389503), (508, 3309436), (806, 2085848), (1016, 1654718), (1612, 1042924), (1651, 1018288), (2032, 827359), (2053, 818896), (3224, 521462), (3302, 509144), (3937, 427024), (4106, 409448), (6448, 260731), (6604, 254572), (7874, 213512), (8212, 204724), (13208, 127286), (15748, 106756), (16424, 102362), (26416, 63643), (26689, 62992), (31496, 53378), (32848, 51181)]