2077889905

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{491}}^1$

素因数の和:718

約数の個数: 64

約数和(自身を含む): 3142250496

約数和(自身を除く): 1064360591

約数列:

[1, 5, 7, 13, 35, 65, 71, 91, 131, 355, 455, 491, 497, 655, 917, 923, 1703, 2455, 2485, 3437, 4585, 4615, 6383, 6461, 8515, 9301, 11921, 17185, 31915, 32305, 34861, 44681, 46505, 59605, 64321, 65107, 120913, 174305, 223405, 244027, 321605, 325535, 450247, 453193, 604565, 836173, 846391, 1220135, 2251235, 2265965, 3172351, 4180865, 4231955, 4566791, 5853211, 15861755, 22833955, 29266055, 31967537, 59368283, 159837685, 296841415, 415577981, 2077889905]

約数ペア:

[(1, 2077889905), (5, 415577981), (7, 296841415), (13, 159837685), (35, 59368283), (65, 31967537), (71, 29266055), (91, 22833955), (131, 15861755), (355, 5853211), (455, 4566791), (491, 4231955), (497, 4180865), (655, 3172351), (917, 2265965), (923, 2251235), (1703, 1220135), (2455, 846391), (2485, 836173), (3437, 604565), (4585, 453193), (4615, 450247), (6383, 325535), (6461, 321605), (8515, 244027), (9301, 223405), (11921, 174305), (17185, 120913), (31915, 65107), (32305, 64321), (34861, 59605), (44681, 46505)]