81551470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{8147}}^1$

素因数の和:8185

約数の個数: 64

約数和(自身を含む): 197116416

約数和(自身を除く): 115564946

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 35, 55, 65, 70, 77, 91, 110, 130, 143, 154, 182, 286, 385, 455, 715, 770, 910, 1001, 1430, 2002, 5005, 8147, 10010, 16294, 40735, 57029, 81470, 89617, 105911, 114058, 179234, 211822, 285145, 448085, 529555, 570290, 627319, 741377, 896170, 1059110, 1165021, 1254638, 1482754, 2330042, 3136595, 3706885, 5825105, 6273190, 7413770, 8155147, 11650210, 16310294, 40775735, 81551470]

約数ペア:

[(1, 81551470), (2, 40775735), (5, 16310294), (7, 11650210), (10, 8155147), (11, 7413770), (13, 6273190), (14, 5825105), (22, 3706885), (26, 3136595), (35, 2330042), (55, 1482754), (65, 1254638), (70, 1165021), (77, 1059110), (91, 896170), (110, 741377), (130, 627319), (143, 570290), (154, 529555), (182, 448085), (286, 285145), (385, 211822), (455, 179234), (715, 114058), (770, 105911), (910, 89617), (1001, 81470), (1430, 57029), (2002, 40735), (5005, 16294), (8147, 10010)]