1687998

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1$

素因数の和:121

約数の個数: 64

約数和(自身を含む): 4112640

約数和(自身を除く): 2424642

約数列:

[1, 2, 3, 6, 13, 17, 19, 26, 34, 38, 39, 51, 57, 67, 78, 102, 114, 134, 201, 221, 247, 323, 402, 442, 494, 646, 663, 741, 871, 969, 1139, 1273, 1326, 1482, 1742, 1938, 2278, 2546, 2613, 3417, 3819, 4199, 5226, 6834, 7638, 8398, 12597, 14807, 16549, 21641, 25194, 29614, 33098, 43282, 44421, 49647, 64923, 88842, 99294, 129846, 281333, 562666, 843999, 1687998]

約数ペア:

[(1, 1687998), (2, 843999), (3, 562666), (6, 281333), (13, 129846), (17, 99294), (19, 88842), (26, 64923), (34, 49647), (38, 44421), (39, 43282), (51, 33098), (57, 29614), (67, 25194), (78, 21641), (102, 16549), (114, 14807), (134, 12597), (201, 8398), (221, 7638), (247, 6834), (323, 5226), (402, 4199), (442, 3819), (494, 3417), (646, 2613), (663, 2546), (741, 2278), (871, 1938), (969, 1742), (1139, 1482), (1273, 1326)]