161538078

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1\times {\mathrm{251}}^1$

素因数の和:529

約数の個数: 64

約数和(自身を含む): 360364032

約数和(自身を除く): 198825954

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 74, 78, 111, 222, 223, 251, 446, 481, 502, 669, 753, 962, 1338, 1443, 1506, 2886, 2899, 3263, 5798, 6526, 8251, 8697, 9287, 9789, 16502, 17394, 18574, 19578, 24753, 27861, 49506, 55722, 55973, 107263, 111946, 120731, 167919, 214526, 241462, 321789, 335838, 362193, 643578, 724386, 727649, 1455298, 2071001, 2182947, 4142002, 4365894, 6213003, 12426006, 26923013, 53846026, 80769039, 161538078]

約数ペア:

[(1, 161538078), (2, 80769039), (3, 53846026), (6, 26923013), (13, 12426006), (26, 6213003), (37, 4365894), (39, 4142002), (74, 2182947), (78, 2071001), (111, 1455298), (222, 727649), (223, 724386), (251, 643578), (446, 362193), (481, 335838), (502, 321789), (669, 241462), (753, 214526), (962, 167919), (1338, 120731), (1443, 111946), (1506, 107263), (2886, 55973), (2899, 55722), (3263, 49506), (5798, 27861), (6526, 24753), (8251, 19578), (8697, 18574), (9287, 17394), (9789, 16502)]