313219985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:282

約数の個数: 64

約数和(自身を含む): 452293632

約数和(自身を除く): 139073647

約数列:

[1, 5, 13, 17, 37, 47, 65, 85, 163, 185, 221, 235, 481, 611, 629, 799, 815, 1105, 1739, 2119, 2405, 2771, 3055, 3145, 3995, 6031, 7661, 8177, 8695, 10387, 10595, 13855, 22607, 29563, 30155, 36023, 38305, 40885, 51935, 78403, 99593, 102527, 113035, 130237, 147815, 180115, 283457, 384319, 392015, 497965, 512635, 651185, 1332851, 1417285, 1693081, 1921595, 3684941, 4818769, 6664255, 8465405, 18424705, 24093845, 62643997, 313219985]

約数ペア:

[(1, 313219985), (5, 62643997), (13, 24093845), (17, 18424705), (37, 8465405), (47, 6664255), (65, 4818769), (85, 3684941), (163, 1921595), (185, 1693081), (221, 1417285), (235, 1332851), (481, 651185), (611, 512635), (629, 497965), (799, 392015), (815, 384319), (1105, 283457), (1739, 180115), (2119, 147815), (2405, 130237), (2771, 113035), (3055, 102527), (3145, 99593), (3995, 78403), (6031, 51935), (7661, 40885), (8177, 38305), (8695, 36023), (10387, 30155), (10595, 29563), (13855, 22607)]