1978002

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:207

約数の個数: 48

約数和(自身を含む): 4717440

約数和(自身を除く): 2739438

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 79, 107, 117, 158, 214, 234, 237, 321, 474, 642, 711, 963, 1027, 1391, 1422, 1926, 2054, 2782, 3081, 4173, 6162, 8346, 8453, 9243, 12519, 16906, 18486, 25038, 25359, 50718, 76077, 109889, 152154, 219778, 329667, 659334, 989001, 1978002]

約数ペア:

[(1, 1978002), (2, 989001), (3, 659334), (6, 329667), (9, 219778), (13, 152154), (18, 109889), (26, 76077), (39, 50718), (78, 25359), (79, 25038), (107, 18486), (117, 16906), (158, 12519), (214, 9243), (234, 8453), (237, 8346), (321, 6162), (474, 4173), (642, 3081), (711, 2782), (963, 2054), (1027, 1926), (1391, 1422)]