1289798398

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1\times {\mathrm{379}}^1$

素因数の和:665

約数の個数: 64

約数和(自身を含む): 2390169600

約数和(自身を除く): 1100371202

約数列:

[1, 2, 7, 14, 17, 34, 79, 119, 158, 181, 238, 362, 379, 553, 758, 1106, 1267, 1343, 2534, 2653, 2686, 3077, 5306, 6154, 6443, 9401, 12886, 14299, 18802, 21539, 28598, 29941, 43078, 45101, 59882, 68599, 90202, 100093, 137198, 200186, 209587, 243083, 419174, 480193, 486166, 508997, 960386, 1017994, 1166183, 1701581, 2332366, 3403162, 3562979, 5419321, 7125958, 8163281, 10838642, 16326562, 37935247, 75870494, 92128457, 184256914, 644899199, 1289798398]

約数ペア:

[(1, 1289798398), (2, 644899199), (7, 184256914), (14, 92128457), (17, 75870494), (34, 37935247), (79, 16326562), (119, 10838642), (158, 8163281), (181, 7125958), (238, 5419321), (362, 3562979), (379, 3403162), (553, 2332366), (758, 1701581), (1106, 1166183), (1267, 1017994), (1343, 960386), (2534, 508997), (2653, 486166), (2686, 480193), (3077, 419174), (5306, 243083), (6154, 209587), (6443, 200186), (9401, 137198), (12886, 100093), (14299, 90202), (18802, 68599), (21539, 59882), (28598, 45101), (29941, 43078)]