256339908

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{4657}}^1$

素因数の和:4817

約数の個数: 72

約数和(自身を含む): 712115040

約数和(自身を除く): 455775132

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 139, 198, 278, 396, 417, 556, 834, 1251, 1529, 1668, 2502, 3058, 4587, 4657, 5004, 6116, 9174, 9314, 13761, 13971, 18348, 18628, 27522, 27942, 41913, 51227, 55044, 55884, 83826, 102454, 153681, 167652, 204908, 307362, 461043, 614724, 647323, 922086, 1294646, 1844172, 1941969, 2589292, 3883938, 5825907, 7120553, 7767876, 11651814, 14241106, 21361659, 23303628, 28482212, 42723318, 64084977, 85446636, 128169954, 256339908]

約数ペア:

[(1, 256339908), (2, 128169954), (3, 85446636), (4, 64084977), (6, 42723318), (9, 28482212), (11, 23303628), (12, 21361659), (18, 14241106), (22, 11651814), (33, 7767876), (36, 7120553), (44, 5825907), (66, 3883938), (99, 2589292), (132, 1941969), (139, 1844172), (198, 1294646), (278, 922086), (396, 647323), (417, 614724), (556, 461043), (834, 307362), (1251, 204908), (1529, 167652), (1668, 153681), (2502, 102454), (3058, 83826), (4587, 55884), (4657, 55044), (5004, 51227), (6116, 41913), (9174, 27942), (9314, 27522), (13761, 18628), (13971, 18348)]