201297928

素因数分解:

$2^3\times {\mathrm{13}}^4\times {\mathrm{881}}^1$

素因数の和:939

約数の個数: 40

約数和(自身を含む): 409349430

約数和(自身を除く): 208051502

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 881, 1352, 1762, 2197, 3524, 4394, 7048, 8788, 11453, 17576, 22906, 28561, 45812, 57122, 91624, 114244, 148889, 228488, 297778, 595556, 1191112, 1935557, 3871114, 7742228, 15484456, 25162241, 50324482, 100648964, 201297928]

約数ペア:

[(1, 201297928), (2, 100648964), (4, 50324482), (8, 25162241), (13, 15484456), (26, 7742228), (52, 3871114), (104, 1935557), (169, 1191112), (338, 595556), (676, 297778), (881, 228488), (1352, 148889), (1762, 114244), (2197, 91624), (3524, 57122), (4394, 45812), (7048, 28561), (8788, 22906), (11453, 17576)]