257461428

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{17123}}^1$

素因数の和:17316

約数の個数: 48

約数和(自身を含む): 690439680

約数和(自身を除く): 432978252

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 179, 358, 537, 716, 1074, 1253, 2148, 2506, 3759, 5012, 7518, 15036, 17123, 34246, 51369, 68492, 102738, 119861, 205476, 239722, 359583, 479444, 719166, 1438332, 3065017, 6130034, 9195051, 12260068, 18390102, 21455119, 36780204, 42910238, 64365357, 85820476, 128730714, 257461428]

約数ペア:

[(1, 257461428), (2, 128730714), (3, 85820476), (4, 64365357), (6, 42910238), (7, 36780204), (12, 21455119), (14, 18390102), (21, 12260068), (28, 9195051), (42, 6130034), (84, 3065017), (179, 1438332), (358, 719166), (537, 479444), (716, 359583), (1074, 239722), (1253, 205476), (2148, 119861), (2506, 102738), (3759, 68492), (5012, 51369), (7518, 34246), (15036, 17123)]