1990427652

素因数分解:

$2^2\times 3^2\times {\mathrm{113}}^1\times {\mathrm{379}}^1\times {\mathrm{1291}}^1$

素因数の和:1793

約数の個数: 72

約数和(自身を含む): 5093219040

約数和(自身を除く): 3102791388

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 113, 226, 339, 379, 452, 678, 758, 1017, 1137, 1291, 1356, 1516, 2034, 2274, 2582, 3411, 3873, 4068, 4548, 5164, 6822, 7746, 11619, 13644, 15492, 23238, 42827, 46476, 85654, 128481, 145883, 171308, 256962, 291766, 385443, 437649, 489289, 513924, 583532, 770886, 875298, 978578, 1312947, 1467867, 1541772, 1750596, 1957156, 2625894, 2935734, 4403601, 5251788, 5871468, 8807202, 17614404, 55289657, 110579314, 165868971, 221158628, 331737942, 497606913, 663475884, 995213826, 1990427652]

約数ペア:

[(1, 1990427652), (2, 995213826), (3, 663475884), (4, 497606913), (6, 331737942), (9, 221158628), (12, 165868971), (18, 110579314), (36, 55289657), (113, 17614404), (226, 8807202), (339, 5871468), (379, 5251788), (452, 4403601), (678, 2935734), (758, 2625894), (1017, 1957156), (1137, 1750596), (1291, 1541772), (1356, 1467867), (1516, 1312947), (2034, 978578), (2274, 875298), (2582, 770886), (3411, 583532), (3873, 513924), (4068, 489289), (4548, 437649), (5164, 385443), (6822, 291766), (7746, 256962), (11619, 171308), (13644, 145883), (15492, 128481), (23238, 85654), (42827, 46476)]