87451364

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{21841}}^1$

素因数の和:21876

約数の個数: 48

約数和(自身を含む): 205489536

約数和(自身を除く): 118038172

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 286, 308, 364, 572, 1001, 2002, 4004, 21841, 43682, 87364, 152887, 240251, 283933, 305774, 480502, 567866, 611548, 961004, 1135732, 1681757, 1987531, 3123263, 3363514, 3975062, 6246526, 6727028, 7950124, 12493052, 21862841, 43725682, 87451364]

約数ペア:

[(1, 87451364), (2, 43725682), (4, 21862841), (7, 12493052), (11, 7950124), (13, 6727028), (14, 6246526), (22, 3975062), (26, 3363514), (28, 3123263), (44, 1987531), (52, 1681757), (77, 1135732), (91, 961004), (143, 611548), (154, 567866), (182, 480502), (286, 305774), (308, 283933), (364, 240251), (572, 152887), (1001, 87364), (2002, 43682), (4004, 21841)]