389864145

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{6043}}^1$

素因数の和:6102

約数の個数: 64

約数和(自身を含む): 751970304

約数和(自身を除く): 362106159

約数列:

[1, 3, 5, 11, 15, 17, 23, 33, 51, 55, 69, 85, 115, 165, 187, 253, 255, 345, 391, 561, 759, 935, 1173, 1265, 1955, 2805, 3795, 4301, 5865, 6043, 12903, 18129, 21505, 30215, 64515, 66473, 90645, 102731, 138989, 199419, 308193, 332365, 416967, 513655, 694945, 997095, 1130041, 1528879, 1540965, 2084835, 2362813, 3390123, 4586637, 5650205, 7088439, 7644395, 11814065, 16950615, 22933185, 25990943, 35442195, 77972829, 129954715, 389864145]

約数ペア:

[(1, 389864145), (3, 129954715), (5, 77972829), (11, 35442195), (15, 25990943), (17, 22933185), (23, 16950615), (33, 11814065), (51, 7644395), (55, 7088439), (69, 5650205), (85, 4586637), (115, 3390123), (165, 2362813), (187, 2084835), (253, 1540965), (255, 1528879), (345, 1130041), (391, 997095), (561, 694945), (759, 513655), (935, 416967), (1173, 332365), (1265, 308193), (1955, 199419), (2805, 138989), (3795, 102731), (4301, 90645), (5865, 66473), (6043, 64515), (12903, 30215), (18129, 21505)]