28216370

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{307}}^1$

素因数の和:435

約数の個数: 64

約数和(自身を含む): 63334656

約数和(自身を除く): 35118286

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 101, 130, 182, 202, 307, 455, 505, 614, 707, 910, 1010, 1313, 1414, 1535, 2149, 2626, 3070, 3535, 3991, 4298, 6565, 7070, 7982, 9191, 10745, 13130, 18382, 19955, 21490, 27937, 31007, 39910, 45955, 55874, 62014, 91910, 139685, 155035, 217049, 279370, 310070, 403091, 434098, 806182, 1085245, 2015455, 2170490, 2821637, 4030910, 5643274, 14108185, 28216370]

約数ペア:

[(1, 28216370), (2, 14108185), (5, 5643274), (7, 4030910), (10, 2821637), (13, 2170490), (14, 2015455), (26, 1085245), (35, 806182), (65, 434098), (70, 403091), (91, 310070), (101, 279370), (130, 217049), (182, 155035), (202, 139685), (307, 91910), (455, 62014), (505, 55874), (614, 45955), (707, 39910), (910, 31007), (1010, 27937), (1313, 21490), (1414, 19955), (1535, 18382), (2149, 13130), (2626, 10745), (3070, 9191), (3535, 7982), (3991, 7070), (4298, 6565)]