51228905

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{179}}^1$

素因数の和:258

約数の個数: 64

約数和(自身を含む): 82736640

約数和(自身を除く): 31507735

約数列:

[1, 5, 7, 13, 17, 35, 37, 65, 85, 91, 119, 179, 185, 221, 259, 455, 481, 595, 629, 895, 1105, 1253, 1295, 1547, 2327, 2405, 3043, 3145, 3367, 4403, 6265, 6623, 7735, 8177, 11635, 15215, 16289, 16835, 21301, 22015, 33115, 39559, 40885, 46361, 57239, 81445, 86099, 106505, 112591, 197795, 231805, 276913, 286195, 430495, 562955, 602693, 788137, 1384565, 1463683, 3013465, 3940685, 7318415, 10245781, 51228905]

約数ペア:

[(1, 51228905), (5, 10245781), (7, 7318415), (13, 3940685), (17, 3013465), (35, 1463683), (37, 1384565), (65, 788137), (85, 602693), (91, 562955), (119, 430495), (179, 286195), (185, 276913), (221, 231805), (259, 197795), (455, 112591), (481, 106505), (595, 86099), (629, 81445), (895, 57239), (1105, 46361), (1253, 40885), (1295, 39559), (1547, 33115), (2327, 22015), (2405, 21301), (3043, 16835), (3145, 16289), (3367, 15215), (4403, 11635), (6265, 8177), (6623, 7735)]