780503906

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1\times {\mathrm{307}}^1$

素因数の和:619

約数の個数: 64

約数和(自身を含む): 1475738880

約数和(自身を除く): 695234974

約数列:

[1, 2, 7, 13, 14, 26, 61, 91, 122, 182, 229, 307, 427, 458, 614, 793, 854, 1586, 1603, 2149, 2977, 3206, 3991, 4298, 5551, 5954, 7982, 11102, 13969, 18727, 20839, 27937, 27938, 37454, 41678, 55874, 70303, 97783, 131089, 140606, 181597, 195566, 243451, 262178, 363194, 486902, 492121, 913939, 984242, 1271179, 1704157, 1827878, 2542358, 3408314, 4288483, 6397573, 8576966, 12795146, 30019381, 55750279, 60038762, 111500558, 390251953, 780503906]

約数ペア:

[(1, 780503906), (2, 390251953), (7, 111500558), (13, 60038762), (14, 55750279), (26, 30019381), (61, 12795146), (91, 8576966), (122, 6397573), (182, 4288483), (229, 3408314), (307, 2542358), (427, 1827878), (458, 1704157), (614, 1271179), (793, 984242), (854, 913939), (1586, 492121), (1603, 486902), (2149, 363194), (2977, 262178), (3206, 243451), (3991, 195566), (4298, 181597), (5551, 140606), (5954, 131089), (7982, 97783), (11102, 70303), (13969, 55874), (18727, 41678), (20839, 37454), (27937, 27938)]