28708108

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1619}}^1$

素因数の和:1678

約数の個数: 48

約数和(自身を含む): 60963840

約数和(自身を除く): 32255732

約数列:

[1, 2, 4, 11, 13, 22, 26, 31, 44, 52, 62, 124, 143, 286, 341, 403, 572, 682, 806, 1364, 1612, 1619, 3238, 4433, 6476, 8866, 17732, 17809, 21047, 35618, 42094, 50189, 71236, 84188, 100378, 200756, 231517, 463034, 552079, 652457, 926068, 1104158, 1304914, 2208316, 2609828, 7177027, 14354054, 28708108]

約数ペア:

[(1, 28708108), (2, 14354054), (4, 7177027), (11, 2609828), (13, 2208316), (22, 1304914), (26, 1104158), (31, 926068), (44, 652457), (52, 552079), (62, 463034), (124, 231517), (143, 200756), (286, 100378), (341, 84188), (403, 71236), (572, 50189), (682, 42094), (806, 35618), (1364, 21047), (1612, 17809), (1619, 17732), (3238, 8866), (4433, 6476)]