16780686

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^3\times {\mathrm{19}}^1\times {\mathrm{67}}^1$

素因数の和:130

約数の個数: 64

約数和(自身を含む): 38841600

約数和(自身を除く): 22060914

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 67, 78, 114, 134, 169, 201, 247, 338, 402, 494, 507, 741, 871, 1014, 1273, 1482, 1742, 2197, 2546, 2613, 3211, 3819, 4394, 5226, 6422, 6591, 7638, 9633, 11323, 13182, 16549, 19266, 22646, 33098, 33969, 41743, 49647, 67938, 83486, 99294, 125229, 147199, 215137, 250458, 294398, 430274, 441597, 645411, 883194, 1290822, 2796781, 5593562, 8390343, 16780686]

約数ペア:

[(1, 16780686), (2, 8390343), (3, 5593562), (6, 2796781), (13, 1290822), (19, 883194), (26, 645411), (38, 441597), (39, 430274), (57, 294398), (67, 250458), (78, 215137), (114, 147199), (134, 125229), (169, 99294), (201, 83486), (247, 67938), (338, 49647), (402, 41743), (494, 33969), (507, 33098), (741, 22646), (871, 19266), (1014, 16549), (1273, 13182), (1482, 11323), (1742, 9633), (2197, 7638), (2546, 6591), (2613, 6422), (3211, 5226), (3819, 4394)]