161334745

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{281}}^1$

素因数の和:394

約数の個数: 48

約数和(自身を含む): 233137296

約数和(自身を除く): 71802551

約数列:

[1, 5, 11, 13, 55, 65, 73, 121, 143, 281, 365, 605, 715, 803, 949, 1405, 1573, 3091, 3653, 4015, 4745, 7865, 8833, 10439, 15455, 18265, 20513, 34001, 40183, 44165, 52195, 102565, 114829, 170005, 200915, 225643, 266669, 442013, 574145, 1128215, 1333345, 2210065, 2482073, 2933359, 12410365, 14666795, 32266949, 161334745]

約数ペア:

[(1, 161334745), (5, 32266949), (11, 14666795), (13, 12410365), (55, 2933359), (65, 2482073), (73, 2210065), (121, 1333345), (143, 1128215), (281, 574145), (365, 442013), (605, 266669), (715, 225643), (803, 200915), (949, 170005), (1405, 114829), (1573, 102565), (3091, 52195), (3653, 44165), (4015, 40183), (4745, 34001), (7865, 20513), (8833, 18265), (10439, 15455)]