840944

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{311}}^1$

素因数の和:345

約数の個数: 30

約数和(自身を含む): 1769976

約数和(自身を除く): 929032

約数列:

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

約数ペア:

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