28356055

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{307}}^1$

素因数の和:368

約数の個数: 48

約数和(自身を含む): 44241120

約数和(自身を除く): 15885065

約数列:

[1, 5, 7, 13, 29, 35, 49, 65, 91, 145, 203, 245, 307, 377, 455, 637, 1015, 1421, 1535, 1885, 2149, 2639, 3185, 3991, 7105, 8903, 10745, 13195, 15043, 18473, 19955, 27937, 44515, 62321, 75215, 92365, 115739, 139685, 195559, 311605, 436247, 578695, 810173, 977795, 2181235, 4050865, 5671211, 28356055]

約数ペア:

[(1, 28356055), (5, 5671211), (7, 4050865), (13, 2181235), (29, 977795), (35, 810173), (49, 578695), (65, 436247), (91, 311605), (145, 195559), (203, 139685), (245, 115739), (307, 92365), (377, 75215), (455, 62321), (637, 44515), (1015, 27937), (1421, 19955), (1535, 18473), (1885, 15043), (2149, 13195), (2639, 10745), (3185, 8903), (3991, 7105)]