204920261

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{4273}}^1$

素因数の和:4341

約数の個数: 32

約数和(自身を含む): 275724288

約数和(自身を除く): 70804027

約数列:

[1, 7, 13, 17, 31, 91, 119, 217, 221, 403, 527, 1547, 2821, 3689, 4273, 6851, 29911, 47957, 55549, 72641, 132463, 388843, 508487, 927241, 944333, 1722019, 2251871, 6610331, 12054133, 15763097, 29274323, 204920261]

約数ペア:

[(1, 204920261), (7, 29274323), (13, 15763097), (17, 12054133), (31, 6610331), (91, 2251871), (119, 1722019), (217, 944333), (221, 927241), (403, 508487), (527, 388843), (1547, 132463), (2821, 72641), (3689, 55549), (4273, 47957), (6851, 29911)]