57207865

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:178

約数の個数: 64

約数和(自身を含む): 87091200

約数和(自身を除く): 29883335

約数列:

[1, 5, 11, 13, 29, 31, 55, 65, 89, 143, 145, 155, 319, 341, 377, 403, 445, 715, 899, 979, 1157, 1595, 1705, 1885, 2015, 2581, 2759, 4147, 4433, 4495, 4895, 5785, 9889, 11687, 12727, 12905, 13795, 20735, 22165, 28391, 30349, 33553, 35867, 49445, 58435, 63635, 80011, 128557, 141955, 151745, 167765, 179335, 369083, 394537, 400055, 642785, 880121, 1040143, 1845415, 1972685, 4400605, 5200715, 11441573, 57207865]

約数ペア:

[(1, 57207865), (5, 11441573), (11, 5200715), (13, 4400605), (29, 1972685), (31, 1845415), (55, 1040143), (65, 880121), (89, 642785), (143, 400055), (145, 394537), (155, 369083), (319, 179335), (341, 167765), (377, 151745), (403, 141955), (445, 128557), (715, 80011), (899, 63635), (979, 58435), (1157, 49445), (1595, 35867), (1705, 33553), (1885, 30349), (2015, 28391), (2581, 22165), (2759, 20735), (4147, 13795), (4433, 12905), (4495, 12727), (4895, 11687), (5785, 9889)]