1681888

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{311}}^1$

素因数の和:347

約数の個数: 36

約数和(自身を含む): 3597048

約数和(自身を除く): 1915160

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 169, 208, 311, 338, 416, 622, 676, 1244, 1352, 2488, 2704, 4043, 4976, 5408, 8086, 9952, 16172, 32344, 52559, 64688, 105118, 129376, 210236, 420472, 840944, 1681888]

約数ペア:

[(1, 1681888), (2, 840944), (4, 420472), (8, 210236), (13, 129376), (16, 105118), (26, 64688), (32, 52559), (52, 32344), (104, 16172), (169, 9952), (208, 8086), (311, 5408), (338, 4976), (416, 4043), (622, 2704), (676, 2488), (1244, 1352)]