214616415

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{641}}^1$

素因数の和:780

約数の個数: 64

約数和(自身を含む): 396047232

約数和(自身を除く): 181430817

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 101, 195, 221, 255, 303, 505, 641, 663, 1105, 1313, 1515, 1717, 1923, 3205, 3315, 3939, 5151, 6565, 8333, 8585, 9615, 10897, 19695, 22321, 24999, 25755, 32691, 41665, 54485, 64741, 66963, 111605, 124995, 141661, 163455, 194223, 323705, 334815, 424983, 708305, 841633, 971115, 1100597, 2124915, 2524899, 3301791, 4208165, 5502985, 12624495, 14307761, 16508955, 42923283, 71538805, 214616415]

約数ペア:

[(1, 214616415), (3, 71538805), (5, 42923283), (13, 16508955), (15, 14307761), (17, 12624495), (39, 5502985), (51, 4208165), (65, 3301791), (85, 2524899), (101, 2124915), (195, 1100597), (221, 971115), (255, 841633), (303, 708305), (505, 424983), (641, 334815), (663, 323705), (1105, 194223), (1313, 163455), (1515, 141661), (1717, 124995), (1923, 111605), (3205, 66963), (3315, 64741), (3939, 54485), (5151, 41665), (6565, 32691), (8333, 25755), (8585, 24999), (9615, 22321), (10897, 19695)]