418877875

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{257}}^1$

素因数の和:361

約数の個数: 64

約数和(自身を含む): 608549760

約数和(自身を除く): 189671885

約数列:

[1, 5, 13, 17, 25, 59, 65, 85, 125, 221, 257, 295, 325, 425, 767, 1003, 1105, 1285, 1475, 1625, 2125, 3341, 3835, 4369, 5015, 5525, 6425, 7375, 13039, 15163, 16705, 19175, 21845, 25075, 27625, 32125, 56797, 65195, 75815, 83525, 95875, 109225, 125375, 197119, 257771, 283985, 325975, 379075, 417625, 546125, 985595, 1288855, 1419925, 1629875, 1895375, 3351023, 4927975, 6444275, 7099625, 16755115, 24639875, 32221375, 83775575, 418877875]

約数ペア:

[(1, 418877875), (5, 83775575), (13, 32221375), (17, 24639875), (25, 16755115), (59, 7099625), (65, 6444275), (85, 4927975), (125, 3351023), (221, 1895375), (257, 1629875), (295, 1419925), (325, 1288855), (425, 985595), (767, 546125), (1003, 417625), (1105, 379075), (1285, 325975), (1475, 283985), (1625, 257771), (2125, 197119), (3341, 125375), (3835, 109225), (4369, 95875), (5015, 83525), (5525, 75815), (6425, 65195), (7375, 56797), (13039, 32125), (15163, 27625), (16705, 25075), (19175, 21845)]