1640594878

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{1693}}^1$

素因数の和:1829

約数の個数: 48

約数和(自身を含む): 2767697856

約数和(自身を除く): 1127102978

約数列:

[1, 2, 13, 26, 47, 61, 94, 122, 169, 338, 611, 793, 1222, 1586, 1693, 2867, 3386, 5734, 7943, 10309, 15886, 20618, 22009, 37271, 44018, 74542, 79571, 103273, 159142, 206546, 286117, 484523, 572234, 969046, 1034423, 1342549, 2068846, 2685098, 4853831, 9707662, 13447499, 17453137, 26894998, 34906274, 63099803, 126199606, 820297439, 1640594878]

約数ペア:

[(1, 1640594878), (2, 820297439), (13, 126199606), (26, 63099803), (47, 34906274), (61, 26894998), (94, 17453137), (122, 13447499), (169, 9707662), (338, 4853831), (611, 2685098), (793, 2068846), (1222, 1342549), (1586, 1034423), (1693, 969046), (2867, 572234), (3386, 484523), (5734, 286117), (7943, 206546), (10309, 159142), (15886, 103273), (20618, 79571), (22009, 74542), (37271, 44018)]