81988816

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{56311}}^1$

素因数の和:56339

約数の個数: 40

約数和(自身を含む): 195515264

約数和(自身を除く): 113526448

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 56311, 112622, 225244, 394177, 450488, 732043, 788354, 900976, 1464086, 1576708, 2928172, 3153416, 5124301, 5856344, 6306832, 10248602, 11712688, 20497204, 40994408, 81988816]

約数ペア:

[(1, 81988816), (2, 40994408), (4, 20497204), (7, 11712688), (8, 10248602), (13, 6306832), (14, 5856344), (16, 5124301), (26, 3153416), (28, 2928172), (52, 1576708), (56, 1464086), (91, 900976), (104, 788354), (112, 732043), (182, 450488), (208, 394177), (364, 225244), (728, 112622), (1456, 56311)]